金融资产证券化中英文对照外文翻译文献

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证券公司资产证券化业务管理规定中英文版

■ ・Westlaw-cHiMA证券公司资产证券化业务管理规定第一章总则Chapter 1: Gen eral Provisi ons第一条为了规范证券公司资产证券化业务活动，保障投资者的合法权益，根据《中华人民共和国证券法》、《中华人民共和国信托法》、《证券公司监督管理条例》和其他相关法律、行政法规，制定本规定。

Article 1 With a view to regulat ing the asset securitizati on bus in ess of securities companies, and safeguarding the legitimate rights and interests of investors, these Provisions are formulated pursuant to the Securities Law of the People's Republic of China , the Trust Law of the People's Republic of China, the Regulati ons on the Supervisi on and Admini strati on of Securities Compa ni es, and other releva nt laws and adm ini strative regulati ons.第二条证券公司资产证券化业务是指证券公司以特殊目的载体管理人身份，按照约定从原始权益人受让或者以其他方式获得基础资产，并且以该基础资产产生的现金流为支持，发行资产支持证券的业务活动。

Article 2 The asset securitizati on bus in ess of a securities compa ny shall refer to the bus in ess activities whereby the securities compa ny, in the capacity as the man ager of a special purpose vehicle, acquires underlying assets from originators by acting as the transferee or otherwise as agreed upon, and issues asset-backed securities supported by the cash flow gen erated by such un derl ying assets.前款所指特殊目的载体，是指证券公司为开展资产证券化业务专门设立的专项资产管理计划(以下简称专项计划”或者中国证监会认可的其他特殊目的载体。

不良资产证券化理论研究外文文献翻译

外文文献翻译原文+译文文献出处作者：Chacko G期刊：International Journal of Applied Financial Management Perspectives2016年，第2卷，第3期，31-39.原文The theory study of Non-performing assets securitizationChacko GAbstractThe securities and exchange commission (SEC) defines asset securitization as a new financing techniques: the lack of liquidity of assets, in most cases) are combined and translated into a more freely in the capital market financing tool to issue and sell. In general, asset securitization is the lack of liquidity but has the stable future cash flow of assets as a basis, through restructuring and credit enhancement, available for investment capital market securities issued a way of financing.Key words: Non-performing assets; Securitization; Characteristic; Theory study1 IntroductionSince the 1970 s, asset securitization as an important financial innovation, in a mature financial market development for many years, the United States, Europe, Japan and some mature financial markets have the asset securitization as an important financial tool, its essence is the issuer will be of the future cash flow of earnings of the securitization of financial assets transferred to investors, asset securitization brings the benefits of western developed countries are increasingly aware of the importance of asset securitization. In the process of the implementation of asset securitization, with the western developed countries continuously to the deepening of the research and practice, such as housing mortgage loan securitization, Banks non-performing assets securitization is accompanied with the further development of asset securitization. In the late 1980 s, to solve the problem of bank a lot of bad assets, the first has been successfully used in the securitization of non-performing assets in the United States, very successful. Asset securitization as a means of financing with the advantages of low cost, intensive attention by countries with alarge number of non-performing assets, in the full market economy countries, solve the problem of non-performing assets, asset securitization become one of the first method. It can accelerate the assets turnover, thus speeding up the liquidity of assets, sped up the asset disposal efficiency, to deepen the reform of the capital market provides a strong support. In addition, the securitization of non-performing assets from the bank, the development of the internal cause, the banking system since the date of birth, there are two internal structural contradictions: one is the liquidity structure contradiction. Another is the information of asymmetric information structure contradiction. Two inherent structural contradictions, make the banking industry has been under double pressures of credit risk and liquidity risk. With economy virtualization degree deepening, the financial impact on the real economy strength increasing, credit card receivables securitization within the banking system, car loan securitization, etc all kinds of forms of asset securitization have started to use, the us savings and loan crisis the problem of structural contradictions increasingly sharp and complicated, financial and even the entire national economy security hidden trouble. East Asian financial crisis, the Russian financial crisis and the financial crisis of South America have been warning to people. Therefore, asset securitization as solving the problem of non-performing bank assets and an important way to reduce the incidence of the financial crisis, more and more highlights its advantages.2 Literature reviewAsset securitization development since the last century to now, for the influence of the worlds financial increasingly significant, for a country's financial stability plays a more and more important role, but different countries have different standards, the definition of to him is not unified. In many related literature about the concept of asset securitization has certain differences in its connotation. Trace the source of the asset securitization is a word, it is the American banker Lewis Rainer in a conversation first, then the word more and more popular. Asset securitization is the meaning of the original, enterprises supported by their own all or part of the assets in the process of capital market financing. It is a replace of financing bank as intermediary. It includes enterprise supported by all of its assets to issue shares, issuing bonds, and other financing way. Later with the development of asset securitization, it is divided into physical assets securitization asset securitization (level) and securitization of financial assets (secondary asset securitization), financial asset securitization, refers to the lack of liquidity, but it is predictable and stable cashflow income assets together, converted into circulation in the capital market securities a way of financing.For asset securitization research mainly concentrated in the following aspects: first, asset securitization is helpful to reduce risk, Benefits and Berger (1987) with risk allocation model prove that securitization will help dissolve the enterprise risk. Second, asset securitization is an effective method for optimization of corporate capital structure. Skarabot (2002), the company model is verified through the establishment of a more assets securitization is an effective method for optimization of corporate capital structure. Third, the relationship between information asymmetry and asset securitization, such as Greenbaum and Thakor (1987) established signal model results show that there is information asymmetry and no government intervention, bank will high-quality assets securitization.3 The basic theory3.1 The conceptNon-performing bank asset securitization is a set of bad assets loans or less liquid assets, through asset integration processing, in the future has a predictable and stable cash flow income, after insurance institutions of credit guarantee at the same time, improve the reliability of assets after converted into circulation in the capital market securities a way of financing.3.2 FeaturesNon-performing bank asset securitization is a kind of important financial innovation of the 20th century tool, compared with other financing way has its own characteristics.Firstly, the selectivity of assetsTo set up asset pool, the core of asset securitization, namely to the asset pool of assets to choose, not debt enterprise all the assets or the issuer can enter pool, especially full of bad credit, hollow is resolute can't into the pool of assets, only those who are predictable, can produce stable future cash flow of assets can enter pool, investors' investment in the future, namely the full amount of principal and interest back to provide security, to ensure the normal operation of non-performing bank asset securitization, and otherwise, if the poor quality assets into the pool, interruption, cannot maintain regular payments to investors, the operation of non-performing bank asset securitization will be hindered, unsustainable. So assets choice of non-performing bank asset securitization operation has a crucial effect, the stand or fall of asset selection directly determinesthe success or failure of securitization, it is the core element of the asset securitization.Secondly, assets source dispersionThe source of the pooling of assets has the characteristics of scattered, it is not like or all of the listed companies are the assets of the enterprise itself, and asset securitization into the pool of assets can be a part of the enterprise property, can also is the enterprise of all assets. At the same time into the pool of assets can be dispersed in a place, can also be scattered in multiple regions, also can be at home, also can be assets abroad. Dispersive of the assets, can avoid the risk of regional, such doing can prevent overall bad assets, such as a place of bad assets does not affect other parts of the quality of assets, if the proportion of assets again small, there is little influence on the overall assets. Issuers will come from different parts of assets integration, filtering and elaborate filter, and homogenous assets to bundle and package, through these assets as collateral to support the issuing bank non-performing assets securitization products. Asset source dispersion is the objective requirement of non-performing assets securitization, only to do so is likely to form a certain scale of many kinds of similar assets to support the issue of securities.Thirdly, the division of assetsAssets of segmentation is one of the important characteristics of non-performing bank asset securitization, the division of assets is the pooling of assets with the original debt assets to be isolated, reach the legal recognition of the actual sales, after the debt enterprises even bankruptcy liquidation to participate in the securitization of assets has no recourse. In order to achieve the smooth progress of non-performing bank asset securitization, there must be the introduction of a special agency to exercise the function, the establishment of the SPV (special purpose vehicle) just to satisfy the functional requirements, it is an operating assets securitization independent agency, is an independent corporate body, not participate in the business of has nothing to do with the asset securitization, SPV such intervention is essentially have the effect of the firewall, investors can focus on into the pool of assets quality, don't have to be careful debt enterprise management situation and the bankruptcy liquidation. Only into the pool of assets to take risks, and at the same time its revenues. Asset isolation played a real debt companies and investors of the division of rights and interests, promote the smooth progress of non-performing bank asset securitization, it is the necessary link of bank non-performing assets securitization.Fourth, the reliability of the assetsBanks non-performing assets securitization of the ultimate goal is to sell non-performing bank asset securitization products, so it must be to accurately assess the risk of product, determine the expected default rates, and evaluate comprehensive market conditions and other factors, to determine the accurate pricing, at the same time, the determination of price and meet the demand of the stability of the investor benefits, in order to achieve this goal, you must first through the credit guarantee institutions for product guarantee, the stability of the products to strengthen, namely each issue for investors to the stability of the principal and interest on time full specified amount pays to strengthen, in order to attract buyers investment in the Banks non-performing assets securitization, credit enhancement with internal credit enhancement and external credit enhancement in two ways, including assigning priorities within level classification and so on, the external includes third-party guarantees and other ways such as obligation.4 The basic principles of asset securitization4.1 Principle of asset reorganizationAssets reorganization principle is the re-engineering of assets and match, returns to split, the process of asset securitization to reach equilibrium. Portfolio has three characteristics: first, the assets are scattered. Reorganization of assets can be a all the assets of the business can also be a part of the property, it can also be multiple enterprise with capital assets, the distribution of the assets can also be in different areas, such doing can avoid certain regional economic risks. Second, composed of assets must be stable cash flow income in the future. It is advantageous to the issuing bank non-performing assets securitization products, to finance. Third, the participation subject interest balance. Asset restructuring must take care of the interests of all aspects, to promote the development of asset securitization.4.2 Risk isolation principleRisk isolation principle is refers to in the process of asset securitization, use the special purpose vehicle will restructure assets and enterprise assets to the risk of isolation, reach the legal recognition of the "true sale" is the original enterprise bankruptcy and liquidation even happen in the future also have no right of recourse, the reorganization of the assets in essence to form the property rights of isolation and risk of break up, so as to achieve the goal of real sales. Investors can focus on assets in the pool. There is no need to care about the risk of the original enterprise. Risk isolation is the most critical step asset securitization.4.3 Credit enhancement principleCredit enhancement principle is the steps necessary to asset securitization product distribution, it mainly refers to the issue of securitized products through the credit guarantee institutions guarantee to improve the reliability of the principal and interest paid to investors. Credit enhancement is to guard against the risk of asset securitization is quite useful measures. Credit enhancement can spread risk, and distributed to investors willing to take risks, to take risks at the same time, also can let investors enjoy greater investment returns. Overall, participants for credit enhancement can get higher returns. Usually use most internal credit enhancement and credit enhancement techniques have external credit enhancement.译文不良资产证券化理论研究Chacko G摘要美国证券交易委员会（ＳＥＣ）将资产证券化定义为一种新的融资技术：即将缺乏流动性的资产（大多数情况）进行组合并转化为一种更自由地在资本市场上发行和出售的融资工具。

金融体系中英文对照外文翻译文献

金融体系中英文对照外文翻译文献(文档含英文原文和中文翻译)Comparative Financial Systems1 What is a Financial System?The purpose of a ﬁnancial system is to channel funds from agents with surpluses to agents with deﬁcits. In the traditional literature there have be en two approaches to analyzing this process. The ﬁrst is to consider how agents interact through ﬁnancial markets. The second looks at the operation ofﬁnancial intermediaries such as banks and insurance companies. Fifty years ago, the ﬁnancial system co uld be neatly bifurcated in this way. Rich house-holds and large ﬁrms used the equity and bond markets,while less wealthy house-holds and medium and small ﬁrms used banks, insurance companies and other ﬁnancial institutions. Table 1, for example, shows the ownership of corporate equities in 1950. Households owned over 90 percent. By 2000 it can be seen that the situation had changed dramatically.By then households held less than 40 percent, nonbank intermediaries, primarily pension funds and mutual funds, held over 40 percent. This change illustrates why it is no longer possible to consider the role of ﬁnancial markets and ﬁnancial institutions separately. Rather than intermediating directly between households and ﬁrms, ﬁnancial institutions have increasingly come to intermediate between households and markets, on the one hand, and between ﬁrms and markets,on the other. This makes it necessary to consider the ﬁnancial system as anirreducible whole.The notion that a ﬁnancial system transfers resources between households and ﬁrms is, of course, a simpliﬁcation. Governments usually play a significant role in the ﬁnancial system. They are major borrowers, particularlyduring times of war, recession, or when large infrastructure projects are being undertaken. They sometimes also save signiﬁcant amounts of funds. For example, when countries such as Norway and many Middle Eastern States have access to large amounts of natural resources (oil), the government may acquire large trust funds on behalf of the population.In addition to their roles as borrowers or savers, governments usually playa number of other important roles. Central banks typically issue ﬁat money and are extensively involved in the payments system. Financial systems with unregulated markets and intermediaries, such as the US in the late nineteenth century, often experience ﬁnancial crises.The desire to eliminate these crises led many governments to intervene in a signiﬁcant way in the ﬁnancial system. Central banks or some other regulatory authority are charged with regulating the banking system and other intermediaries, such as insurance companies. So in most countries governments play an important role in the operation of ﬁnancialsystems. This intervention means that the political system, which determines the government and its policies, is also relevant for the ﬁnancial system.There are some historical instances where ﬁnancial markets and institutions have operated in the absence of a well-deﬁned legal system, relyinginstead on reputation and other im plicit mechanisms. However, in most ﬁnancial systems the law plays an important role. It determines what kinds ofcontracts are feasible, what kinds of governance mechanisms can be used for corporations, the restrictions that can be placed on securities and so forth. Hence, the legal system is an important component of a ﬁnancial system.A ﬁnancial system is much more than all of this, however. An important pre-requisite of the ability to write contracts and enforce rights of various kinds is a system of accounting. In addition to allowing contracts to be written, an accounting system allows investors to value a company more easily and to assess how much it would be prudent to lend to it. Accounting information is only one type of information (albeit the most important) required by ﬁnancial systems. The incentives to generate and disseminate information are crucial features of a ﬁnancial system.Without signiﬁcant amounts of human capital it will not be possible for any of these components of a ﬁnancial system to operate eﬀectively. Well-trained lawyers, accountants and ﬁnancial professionals such as bankers are crucial for an eﬀective ﬁnancial system, as the experience of Eastern Europe demonstrates.The literature on comparative ﬁnancial systems is at an early stage. Our survey builds on previous overviews by Allen (1993), Allen and Gale (1995) and Thakor (1996). These overviews have focused on two sets of issues.(1)Normative: How eﬀective are diﬀerent types of ﬁnancial system atvarious functions?(2) Positive: What drives the evolution of the ﬁnancial system?The ﬁrst set of issues is considered in Sections 2-6, which focus on issues of investment and saving, growth, risk sharing, information provision and corporate governance, respectively. Section 7 consider s the inﬂuence of law and politics on the ﬁnancial system while Section 8 looks at the role ﬁnancial crises have had in shaping the ﬁnancial system. Section 9 contains concludingremarks.2 Investment and SavingOne of the primary purposes of the ﬁnancial system is to allow savings to be invested in ﬁrms. In a series of important papers, Mayer (1988, 1990) documents how ﬁrms obtained funds and ﬁnanced investment in a number of diﬀerent countries. Table 2 shows the results from the most recent set of studies, based on data from 1970-1989, using Mayer’s methodology. The ﬁgures use data obtained from sources-and-uses-of-funds statements. For France, the data are from Bertero (1994), while for the US, UK, Japan and Germany they are from Corbett and Jenkinson (1996). It can be seen that internal ﬁnance is by far the most important source of funds in all countries.Bank ﬁnance is moderately important in most countries and particularly important in Japan and France. Bond ﬁnance is only important in the US and equity ﬁnance is either unimportant or negative (i.e., shares are being repurchased in aggregate) in all countries. Mayer’s studies and those using his methodology have had an important impact because they have raised the question of how important ﬁnancial marke ts are in terms of providing funds for investment. It seems that, at least in the aggregate, equity markets are unimportant while bond markets are important only in the US. These ﬁndings contrast strongly with theemphasis on equity and bond markets in the traditional ﬁnance literature. Bank ﬁnance is important in all countries,but not as important as internal ﬁnance.Another perspective on how the ﬁnancial system operates is obtained by looking at savings and the holding of ﬁnancial assets. Table 3 shows t he relative importance of banks and markets in the US, UK, Japan, France and Germany. It can be seen that the US is at one extreme and Germany at the other. In the US, banks are relatively unimportant: the ratio of assets to GDP is only 53%, about a third the German ratio of 152%. On the other hand, the US ratio of equity market capitalization to GDP is 82%, three times the German ratio of 24%. Japan and the UK are interesting intermediate cases where banks and markets are both important. In France, banks are important and markets less so. The US and UK are often referred to as market-based systems while Germany, Japan and France are often referred to as bank-based systems. Table 4 shows the total portfolio allocation of assets ultimately owned by the household sector. In the US and UK, equity is a much more important component of household assets than in Japan,Germany and France. For cash and cash equivalents (which includes bank accounts), the reverse is true. Tables 3 and 4 provide an interesting contrast to Table 2. One would expect that, in the long run, household portfolios would reﬂect the ﬁnancing patterns of ﬁrms. Since internal ﬁnance accrues to equity holders, one might expect that equity would be much more important in Japan, France and Germany. There are, of course, diﬀerences in the data sets underlying the diﬀerent tables. For example, household portfolios consist of ﬁnancial assets and exclude privately held ﬁrms, whereas the sources-and-uses-of-funds data include all ﬁrms. Nevertheless, it seem s unlikely that these diﬀerences could cause such huge discrepancies. It is puzzling that these diﬀerent ways of viewing the ﬁnancial system produce such radically diﬀerent results.Another puzzle concerning internal versus external ﬁnance is the diﬀerence between the developed world and emerging countries. Although it is true for the US, UK, Japan, France, Germany and for most other developed countries that internal ﬁnance dominates external ﬁnance, this is not the case for emerging countries. Singh and Hamid (1992) and Singh (1995) show that, for a range of emerging economies, external ﬁnance is more important than internal ﬁnance. Moreover, equity is the most important ﬁnancing instrument and dominates debt. This diﬀerence between the industrialized nations and the emerging countries has so far received little attention. There is a large theoretical literature on the operation of and rationale for internal capital markets. Internal capital markets diﬀer from external capital markets because of asymmetric information, investment incentives, asset speciﬁcity, control rights, transaction costs or incomplete markets There has also been considerable debate on the relationship between liquidity and investment (see, for example, Fazzari, Hubbard and Petersen(1988), Hoshi, Kashyap and Scharfstein (1991))that the lender will not carry out the threat in practice, the incentive eﬀect disappears. Although the lender’s behavior is now ex post optimal, both parties may be worse oﬀ ex ante.The time inconsistency of commitments that are optimal ex ante and suboptimal ex post is typical in contracting problems. The contract commits one to certain courses of action in order to inﬂuence the behavior of the other party. Then once that party’s behavior has been determined, the beneﬁt of the commitment disappears and there is now an incentive to depart from it.Whatever agreements have been entered into are subject to revision because both parties can typically be made better oﬀby “renegotiating” the original agreement. The possibility of renegotiation puts additional restrictions on the kind of contract or agreement that is feasible (we are referring here to the contract or agreement as executed, ratherthan the contract as originally written or conceived) and, to that extent, tends to reduce the welfare of both parties ex ante. Anything that gives the parties a greater power to commit themselves to the terms of the contract will, conversely, be welfare-enhancing.Dewatripont and Maskin (1995) (included as a chapter in this section) have suggested that ﬁnancial markets have an advantage over ﬁnancial intermediaries in maintaining commitments to refuse further funding. If the ﬁrm obtains its funding from the bond market, th en, in the event that it needs additional investment, it will have to go back to the bond market. Because the bonds are widely held, however, the ﬁrm will ﬁnd it diﬃcult to renegotiate with the bond holders. Apart from the transaction costs involved in negotiating with a large number of bond holders, there is a free-rider problem. Each bond holder would like to maintain his original claim over the returns to the project, while allowing the others to renegotiate their claims in order to ﬁnance the additional investment. The free-rider problem, which is often thought of as the curse of cooperative enterprises, turns out to be a virtue in disguise when it comes to maintaining commitments.From a theoretical point of view, there are many ways of maintaining a commitment. Financial institutions may develop a valuable reputation for maintaining commitments. In any one case, it is worth incurring the small cost of a sub-optimal action in order to maintain the value of the reputation. Incomplete information about the borrower’s type may lead to a similar outcome. If default causes the institution to change its beliefs about the defaulter’s type, then it may be optimal to refuse to deal with a ﬁrm after it has defaulted. Institutional strategies such as delegating decisions to agents who are given no discretion to renegotiate may also be an eﬀective commitment device.Several authors have argued that, under certain circumstances, renegotiation is welfare-improving. In that case, the Dewatripont-Maskin argument is turned on its head. Intermediaries that establish long-term relationships with clients may have an advantage over ﬁnancial markets precisely because it is easier for them to renegotiate contracts.The crucial assumption is that contracts are incomplete. Because of the high transaction costs of writing complete contracts, some potentially Pareto-improving contingencies are left out of contracts and securities. This incompleteness of contracts may make renegotiation desirable. The missing contingencies can be replaced by contract adjustments that are negotiated by the parties ex post, after they observe the realization of variables on which the contingencies would have been based. The incomplete contract determines the status quo for the ex post bargaining game (i.e., renegotiation)that determines the ﬁnal outcome.An import ant question in this whole area is “How important are these relationships empirically?” Here there does not seem to be a lot of evidence.As far as the importance of renegotiation in the sense of Dewatripont and Maskin (1995), the work of Asquith, Gertner and Scharfstein (1994) suggests that little renegotiation occurs in the case of ﬁnancially distressed ﬁrms.Conventional wisdom holds that banks are so well secured that they can and do “pull the plug” as soon as a borrower becomes distressed, leaving theunsecured creditors and other claimants holding the bag.Petersen and Rajan (1994) suggest that ﬁrms that have a longer relationship with a bank do have greater access to credit, controlling for a number of features of the borrowers’ history. It is not clea r from their work exactly what lies behind the value of the relationship. For example, the increased access to credit could be an incentive device or it could be the result ofgreater information or the relationship itself could make the borrower more credit worthy. Berger and Udell (1992) ﬁnd that banks smooth loan rates in response to interest rate shocks. Petersen and Rajan (1995) and Berlin and Mester (1997) ﬁnd that smoothing occurs as a ﬁrm’s credit risk changes.Berlin and Mester (1998) ﬁnd that loan rate smoothing is associated with lower bank proﬁts. They argue that this suggests the smoothing does not arise as part of an optimal relationship.This section has pointed to a number of issues for future research.• What is the relationship between th e sources of funds for investment,as revealed by Mayer (1988, 1990), and the portfolio choices of investorsand institutions? The answer to this question may shed some light onthe relative importance of external and internal finance.• Why are financing patterns so different in developing and developedeconomies?• What is the empirical importance of long-term relationships? Is renegotiationimportant is it a good thing or a bad thing?• Do long-term relationships constitute an important advantage of bankbasedsystems over market-based systems?金融体系的比较1、什么是金融体系？一个金融系统的目的（作用）是将资金从盈余者（机构）向短缺者（机构）转移（输送）。

证券市场行为金融中英文对照外文翻译文献

中英文对照外文翻译文献中英文对照外文翻译文献(文档含英文原文和中文翻译)外文翻译：Behavioral Finance1. IntroductionBehavioral finance is the paradigm where financial markets are studied using models that are less narrow than those based on Von Neumann–Morgenstern expected utility theory and arbitrage assumptions. Specifically, behavioral finance has two building blocks: cognitive psychology and the limits to arbitrage. Cognitive refers to how people think. There is a huge psychology literature documenting that people make systematic errors in the way that they think: They are overconfident, they put too much weight on recent experience, etc. Their preferences may also create distortions. Behavioral finance uses this body of knowledge rather than taking the arrogant approach that it should be ignored. Limits to arbitrage refers to predicting in what circumstances arbitrage forces will be effective, and when they will not be.Behavioral finance uses models in which some agents are not fully rational, either because of preferences or because of mistaken beliefs. An example of an assumption about preferences is that people are loss averse—a $2 gain might make people feel better by as much as a $1 loss makes them feel worse. Mistaken beliefs arise because people are bad Bayesians. Modern finance has as a building block the Efficient Markets Hypothesis (EMH). The EMH argues that competition between investors seeking abnormal profits drives prices to their “correct” value. The EMH does not assume that all investors are rational, but it does assume that markets are rational. The EMH does not assume that markets can foresee the future, but it does assume that markets make unbiased forecasts of the future. In contrast, behavioral finance assumes that, in some circumstances, financial markets are informationally inefficient.Not all misvaluations are caused by psychological biases, however. Some are just due to temporary supply and demand imbalances. For example, the tyranny of indexing can lead to demand shifts that are unrelated to the future cash flows of the firm. When Yahoo was added to the S&P 500 in December 1999, index fund managers had to buy the stock even though it had a limited public float. This extra demand drove up the price by over 50% in a week and over 100% in a month. Eighteen months later, the stock price was down by over 90% from where it was shortly after being added to the S&P.If it is easy to take positions (shorting overvalued stocks or buying undervalued stocks) and these misvaluations are certain to be corrected over a short period, then “arbitrageurs” will take positions and eliminate these mispricings before they become large. However, if it is difficult to take these positions, due to short sales constraints, for instance, or if there is no guarantee that the mispricing will be corrected within a reasonable timeframe, then arbitrage will fail to correct themispricing.1 Indeed, arbitrageurs may even choose to avoid the markets where the mispricing is most severe, because the risks are too great. This is especially true when one is dealing with a large market, such as the Japanese stock market in the late 1980s or the US market for technology stocks in the late 1990s. Arbitrageurs that attempted to short Japanese stocks in mid-1987 and hedge by going long in US stocks were right in the long run, but they lost huge amounts of money in October 1987 when the US market crashed by more than the Japanese market (because of Japanese government intervention). If the arbitrageurs have limited funds, they would be forced to cover their positions just when the relative misvaluations were greatest, resulting in additional buying pressure for Japanese stocks just when they were most overvalued!5. ConclusionsThis brief introduction to behavioral finance has only touched on a few points. More extensive analysis can be found in Barberis and Thaler (2003), Hirshleifer (2001), Shefrin (2000), and Shiller (2000).It is very difficult to find trading strategies that reliably make money. This does not imply that financial markets are informationally efficient, however. Low-frequency misvaluations may be large, without presenting any opportunity to reliably make money. As an example, individuals or institutions who shorted Japanese stocks in 1987–1988 when they were substantially overvalued, or Taiwanese stocks in early 1989 when they were substantially overvalued, or TMT stocks in the US, Europe, and Hong Kong in early 1999 when they were substantially overvalued, all lost enormous amounts of money as these stocks became even more overvalued. Most of these shortsellers, who were right in the long run, were wiped out before the misvaluations started to disappear. Thus, the forces of arbitrage, which work well for high-frequency events, work very poorly for low-frequency eventsBehavioral finance is, relatively speaking, in its infancy. It is not a separate discipline, but instead will increasingly be part of mainstream finance.行为金融1.引言行为金融学就是用来研究金融市场的一种新型的模型。

金融学融资融券中英文对照外文翻译文献

中英文对照翻译Margin Trading Bans in Experimental Asset MarketsAbstractIn financial markets, professional traders leverage their trades because it allows to trade larger positions with less margin. Violating margin requirements, however, triggers a margin call and open positions are automatically covered until requirements are met again. What impact does margin trading have on the price process and on liquidity in financial asset markets? Since empirical evidence is mixed, we consider this question using experimental asset markets. Starting from an empirically relevant situation where margin purchasing and short selling is permitted, we ban margin purchases and/or short sales using a 2x2 factorial design to a allow for a comparative static analysis. Our results indicate that a ban on margin purchases fosters efficient pricing by narrowing price deviations from fundamental value accompanied with lower volatility and a smaller bid-ask-spread. A ban on short sales, however, tends to distort efficient pricing by widening price deviations accompanied with higher volatility and a large spread.Keywords: margin trading, Asset Market, Price Bubble, Experimental Finance1.IntroductionHowever, regulators can only have a positive impact on the life-cycle of a bubble, if they know how institutional changes affect prices in financial markets. Note that regulation is a double-edged sword since decision errors may lead from bad to worse. Given the systemic risk posed by speculative bubbles and their long history, it may be surprising how little attention bubbles have received in the literature and how little understood they are. This ignorance is partly due to the complex psychological nature of speculative bubbles but also due to the fact that the conventional financial economic theory has ignored the existence of bubbles for a long-time. But even if theories on bubble cycles have empirical relevance, it is clear that the issues surrounding the formation and the bursting of bubbles cannot be analyzed with pencil and paper. Conclusions on bubble cycles must be backed with quantitative data analysis. Given the limited number of observed empirical market crashes and their non-recurring nature, an experimental analysis of bubble formation involving controlled and replicable laboratory conditions seems to be a promising way to proceed.The paper is organized as follows. Section II reviews the related literature, Section 0 presents the details of the experimental design and section IV reports the data analysis. In section V, we summarize our findings and provide concluding remarks.2. Leverage in asset marketsDo margin requirements have any effects on market prices? Fisher (1933) and also Snyder (1930) mentioned the importance of margin debt in generating price bubbles when analyzing the Great Crash of 1929. The ability to leverage purchases lead to a higher demand, ending up in inflated prices. The subsequently appreciated collateral allowed to leverage purchases even more. This upward price spiral was fueled by an expansion of debt. From the end of 1924, brokers’loans rose four and one-half times (by $6.5 billion) and in the final phase broker’s borrowings rose at more than 100% a year until the bubble crashed. Then, after the peak of the bubble, a debt spiral was initiated. Investors lost trust and started to sell assets. Excess supply deflated prices resulting in a depreciation of collateral. Triggered margin calls lead to forced asset sales pushing supply even further. An increase in defaults on debt, and short sales exacerbated supply and finally assets were being sold at fire sale prices. It only took 6 weeks to extinguish half of the total of brokers’credit. Finally, in 1934, the U.S. Congress established federal margin authority to prevent unjustifiable increases or decreases in stock demand since margin requirements can prevent dramatic price fluctuations by limiting leveraged trades on both sides of the stock market: extremely optimistic margin purchasers and extremely pessimistic short sellers.Recent experimental evidence suggests short sale constraints to increase prices. Ackert et al. (2006)and Haruvy and Noussair (2006) find prices to deflate–even below fundamental value in the latter study –while King, Smith, Williams, and Van Boening (1993) find no effect. In a setting with information asymmetries, Fellner and Theissen (2006) find higher prices with short sale constraints but not depending on the divergence of opinion as predicted by Miller (1977). In a setting with smart money traders, Bhojraj, Bloomfield, and Tayler (2009) report short selling to exacerbate overpricing, even though it reduces equilibrium price levels. Hauser and Huber (2012) find short selling constraints with two dependent assets to distort price levels. Our design deviates from the previous studies in several but one important way: We use a more empirically relevant facility in that traders have to provide collateral facing the threat of margin calls.3. Implementing Margin Purchasing and Short SellingWe conducted four computerized treatments utilizing a 2x2 factorial design as displayed in Table II. Starting from an empirically relevant situation where margin purchases Traders execute margin purchases when they purchase shares by using loan, collateralized with shareholdings evaluated at the current market value.11 In this case, traders make a bull market bet, i.e. they borrow cash to buy shares, wait for the price to rise and sell them with a profit. However, a decline in prices depreciates collateral while keeping loan constant. When prices fall below a certain threshold, such that the loan exceeds the value of the shareholdings (i.e. debt > equity), a margin call is triggered. Immediately, i) the trader’s buttons are disabled, ii) outstanding orders are cancelled, and iii) the computer starts selling shares at the current market price until margin requirements are met again or untilall shares have been sold.12 Traders execute short sales when they sell shares without holding them in their inventory, collateralized with sufficient cash at hand.13 In this case, traders make a bear market bet, i.e. they borrow shares to sell them in the market, wait for the price to decline, buy them back with a profit and return them. Note that the amount of debt equals the total amount the trader has to pay to buy back the outstanding shares. Thus, an increase in prices increases debt and reduces collateral (cash minus value of outstanding shares), simultaneously. When prices exceed a certain threshold, such that the amount to buy back outstanding shares exceeds collateral (i.e. debt > equity), a margin call is triggered. Immediately, i)the trader’s buttons are disabled, ii) outstanding orders are cancelled, and iii) the computer starts buying shares at the current market price until margin requirements are met again or until all short positions have been covered. Note that short sellers have to pay dividends for their short positions at the end of each period.14 After period 15, both long and short positions are worthless.15 In any case, a margin callcan lead to bankruptcy. However, the consequences of a margin call hold even during bankruptcy, i.e. outstanding positions continuously being closed although subjects are bankrupt. This is different to any other asset market experiment considering leverage4. Margin traders tend to make less money than othersBy leveraging purchases and sales, traders take more risks to be able to make more money. But do margin traders make more money at all? To evaluate this question, we classify traders into types, i.e. margin traders, who trade on margin at least once, and others. Table X shows the average end- of round-earnings within types for each treatment along with the number of subjects. The spearman rank correlation between type and end of round earnings is negative in both rounds and in all three treatments. The coefficient is significantly different from zero only in MP|NoSS and NoMP|SS when subjects are once experienced . Subjects, who executed both margin purchases and short sales in MP|SS earned less than subjects who refrained from trading on margin. This is significant only for inexperienced subjects . One final note on the distribution of earnings. Comparing the treatments by evaluating the dispersion of earnings using the coefficient of variation , we find that the average CV in the NoMP|NoSS is lower than any other treatment Although not statistically significant, the results indicate that it is less risky to participate in markets with margin bans than in the markets where margintrading is permitted.5. ConclusionIn an attempt to halt the decline in asset values, recent regulatory measures temporarily banned short sales in financial markets. To assess the impact of banning leveraged trading on market mispricing is a complicated task when being reliant on data from real world exchanges only. it is unclear if possible price increases following a ban on short sales would come from new long positions or from covered short positions, and the announcement of such measures affects an uncontrolled reaction of the market. Owed to the uncontrolled uncertainties in the real world, asset mispricing can be measured only with weak confidence.In comparison to other experimental studies where limits to margin debt and short sales are rare, our design involves margin requirements comparable to the real world. Highly levered investors face margin calls that lead to forced liquidation of positions, affecting a reinforcement of the swings of the market. We have studied the impact of leverage on individual portfolio decisions to find an increase in risk taking characterized by higher concentrations of risky assets eventually resulting in individual bankruptcies. Thus, our experimental results are in line with theories of margin trading by Irvine Fischer (1933) and by recent heterogeneous agents models (Geanakoplos 2009) which conjecture such effects on asset pricing and portfolio decisions. As in any laboratory experiment, the results are restricted to the chosen parameters. The baselineSmith et al. (1988) asset market design has been challenged in recent studies (e.g. Kirchler et al. 2011), arguing that some subjects are confused about the declining fundamental value and believe that prices keep a similar level in the course of time. So it would also be interesting to investigate the effects of bans Jena Economic Research Papers 2012 - 05826 of margin purchases and short sales, to see if our treatment effects can be repeated in an environment with non-decreasing fundamental values. However, recent experiments by Hauser and Huber (2012) show similar effects using multiple asset markets with a complexsystem of fundamental values but without margin calls. It would also be interesting to see how margin requirements change performance in multiple sset markets. We leave these open questions to future research.ReferencesAbreu, D., and M.K. Brunnermeier, 2003, Bubbles and crashes, Econometrica 71, 173–204.Ackert, L., N. Charupat, B. Church and R. Deaves, 2006, Margin, Short Selling, and Lotteries in Experimental Asset Markets, Southern Economic Journal 73, 419–436. Adrangi, B. and A. Chatrath, 1999, Margin Requirements and Futures Activity: Evidence from the Soybean and Corn Markets, Journal of Futures Markets, 19, 433-455. Alexander, G.J, and M.A Peterson, 2008, The effect of price tests on trader behavior and market quality: An analysis of Reg SHO, Journal of Financial Markets 11, 84–111.Bai, Y., E.C Chang, and J. Wang, 2006, Asset prices under short-sale constraints, Mimeo. Beber, A., and M. Pagano, 2010, Short-Selling Bans around the World: Evidence from the 2007-09 Crisis, Tinbergen Institute Discussion Papers TI 10-106 / DSF 1.Bernardo, A. and I. Welch, 2002, Financial market runs, NBER Working Papers 9251, National Bureau of Economic Research, Inc.Bhojraj, S., R.J Bloomfield, and W.B Tayler, 2009, Margin trading, overpricing, and synchronization risk, Review of Financial Studies 22, 2059–2085.Blau, B. M., B. F. Van Ness, R. A. Van Ness, 2009, Short Selling and the Weekend Effect for NYSE Securities, Financial Management 38 (No. 3). 603-630Boehmer, E., Z.R Huszar, and B.D Jordan, 2010, The good news in short interest, Journal of Financial Economic 96, 80–97.Boehme, R.D, B.R Danielsen, and S.M Sorescu, 2006, Short-sale constraints, differences of opinion, and overvaluation, Journal of Financial and Quantitative Analysis 41, 455–487.融资融券禁令在实验资产市场摘要在金融市场，因为专业的交易者杠杆交易允许以较少的保证金进行更大的交易。

证券市场发展与经济增长外文文献翻译中英文2020

证券市场发展与经济增长外文文献翻译中英文2020英文The relationship of renewable energy consumption to stock marketdevelopment and economic growth in IranSeyedeh Razmi，Bahareh Bajgiran，etcAbstractThis paper investigates the relationship of two types of renewable energy consumption (total hydropower, wind, solar and nuclear energies, and total combustible renewable and waste) to stock market value and economic growth in Iran. An autoregressive distributive lag (ARDL) model was used for data from 1990 to 2014 and results show that stock market value affects both groups of renewable energies in the long run. Growth rate significantly affects total hydropower, wind, solar, and nuclear energies in both the short and long run, although it is only significant in the short run for combustible renewable and waste energies. Neither type of renewable energy consumption affects growth in either the short or long run.Keywords：Renewable energy consumption，Stock market，Growth，ARDLSustainable development, as one of the main goals of every economy, encourages policymakers to use energy sources that emit the fewest pollutants to the environment. Today, renewable energy resources havebecome increasingly more important due to the fact that they have fewer negative impacts on the environment than other sources of energies and the growing limitations of fossil fuels. Most developed countries that are in agreement with the International Atomic Energy Agency and the Kyoto Protocol have established a framework to encourage greater usage of renewable energy sources Maji. Consequently, countries that are rich in non-renewable energies should consider ways to offset the economic slowdown that would be caused due to the loss of demand from developed countries. Apart from environmental issues, substituting domestic renewable energies also protects countries against external economic crises. As countries reduce fuel imports, their economies become less vulnerable to external crises. The importance of economic growth as the main objective of all economies has led a lot of studies towards finding the impact of renewable energies on economic growth. For example, one study using the ARDL method discovered that renewable energy and economic growth have a negative relationship in the long run in Nigeria, although an insignificant relationship exists in the short run. A negative impact of renewable energy on economic growth was also found in Turkey, South Africa, and Mexico by Ocal and Aslan. However, Destek found a positive relationship between the two variables was discovered for India. Aïssa et al tried to discover the relationship among renewable energy, output, and trade by using panel cointegrationof 11 African countries. They did not find any causality between renewable energy with output and trade in the short run. However, in the long run, Jebli and Youssef discovered the impact of renewable energy on output.Apergis and Payne employed panel cointegration for investigating the casual relationship between renewable energy consumption and economic growth for OECD countries. They found bidirectional causality between variables both in the short and long run. Similar results were discovered for Central American countries by Apergis and Payne. Using panel data, Chang et al found bidirectional causality between economic growth and renewable energy for G7 countries. However, these results were not approved for individual countries. Tugcu et al also discovered similar results for G7 countries. Using the panel cointegration method, Pao et al investigated the causal effect of clean and non-clean energies on economic growth for Mexico, Indonesia, South Korea, and Turkey. They found one-way causality running from renewable energy to economic growth in the long-run and two-way causality in short-run.Apart from economic growth, financial market development indexes are among the variables of interest to economists in energy studies. Financial market development can affect energy demand by influencing economic growth as well as reducing households’ constraints. Financial markets affect economic growth by transferring funds, determiningcapital prices, facilitating transactions, as well as distributing risk management. Facilitating consumer lending is another impact of financial markets on energy consumption, as easier access to financing for energy purchases increases consumer demand for energy. In other words, financial market development may increase energy consumption by reducing financial risk and lending costs and increasing access to financial investments and advanced technologies. Financial market development can also reduce the risks to consumers and businesses and thereby become an important factor in generating wealth in the economy. Therefore, the existence of financial market development is considered as a reliable lever for consumers and businesses which increases economic activity and energy demand.Kakar et al considered the relationship between financial market development, economic growth, and energy consumption in Pakistan in the 1980s. Using Johansen cointegration and Granger causality, the results showed the long-run effects of the financial market development on energy consumption, however its impact in the short run was negligible. Several studies have confirmed the relationship between financial development, energy consumption and economic growth. Stock market developments also play an important role in allocating funds for clean energy projects. Sadorsky stated that stock market developments would increase the demand for energy in emerging economies, whileChang indicated that the development of market capitalism in emerging countries would stimulate investment and energy consumption. This study investigates the relationship between renewable energy consumption, the stock market value,1 and GDP growth in Iran. It must be noted that, to the best knowledge of the authors, there have not been any studies on financial market development and renewable energies thus far; therefore, this research has referred to studies on total energy consumption and financial market development.Renewable energies can play an important role in reducing emissions of pollutants, such as carbon dioxide and other greenhouse gases. Features such as environmental compatibility, fewer pollutive effects, renewability, and global reliability have led these types of energies to play an important role in the world's energy supply system on a day-to-day basis. Nowadays, Iran is suffering from air pollution, and the impact on public health is a well-known problem. Therefore, consuming renewable energies can be effective in both achieving clean air and increasing the overall health and well-being of the society. According to recent changes in Iran's energy consumption laws, governmental units such as the Ministry of Energy and the Ministry of Oil have been obliged to support clean energy consumption.Iran has many capacities in which to use hydro, wind, solar and other kinds of renewable energies due to its geographic environment.Despite its high potential for employing renewable resources, renewable energies have not yet been properly exploited. Renewable energy consumption in Iran is still less than 4% of total energy consumption. Therefore, Iran needs to devote particular attention to the various aspects of renewable energies to maintain its position as an energy supplier. Regarding foreign sanctions that have reduced the speed of foreign investment in non-renewable energy, the Iranian government also needs to increase its support to the private sector to attract more investment in renewable energies. This research helps policymakers in Iran and other countries meet their goals for using renewable energies by investigating the relationships of the three aforementioned variables.This study differs from other research on this issue as most papers in this field study economic growth, non-renewable energy consumption, and pollution (CO2) by panel data models. For our research objective, we make three key contributions. First, financial markets, especially the stock market, can help developing industries to raise and circulate capital within the broader economic system. While many studies have examined the relationship between financial development and economic growth with non-renewable energies, there is a gap in research pertaining to renewable energies. The study covers this gap by focusing on of renewable energy that have largely been ignored in prior research. Second, in contrast to the studies applying cross-country panel causality testing,especially in developed countries, we apply an ARDL model as a robust methodology for Iran's economy. Third, studies on renewable energies typically use one type of renewable energy source, while this study compares two groups of renewable energies: total hydropower, wind, solar, and nuclear energies and combustible renewable and waste energies. We examine the effect of economic growth on the two types of renewable energy consumption and conversely, the effect of the two types of renewable energy consumption on economic growth. This type of analysis has the potential to support future policy recommendations.For our estimation model we have carried out the following steps. First, after a thorough review of theoretical and empirical studies, we have selected our models. Next, we have verified the unit roots and integration tests for long-run relationships. Subsequently, we have applied two models for each of the long-run and short-run analyses. In each model, the dependent variables are: economic growth and renewable energy type. Finally, we have conducted diagnostic tests to confirm the reliability of the results.This paper examines the relationship between two types of renewable energy consumption, including consumption of hydro, solar, wind and nuclear energies as well as that of combustible renewables and waste energies, stock market value, and economic growth in Iran over the period 1990–2014 using the ARDL method. Such a study on Iran is verynecessary, as studies in this area are rare, and only small steps have been taken towards using renewable energies. The use of renewable energy in Iran is still less than 4% of the total energy consumption in the country. Therefore, more robust studies must be done regarding renewable energies. Results show the existence of short- and long-run relationships between variables in two models where the dependent variables are re (consumption of water, solar, wind and nuclear energies), gr (economic growth rate), and rec (consumption of combustible renewable and waste energies).The coefficient of st (stock market value) is insignificant for both re and rec as dependent variables in the short run, meaning that in the short run, financial markets have no effect on renewable energy consumption; however, it is positively significant in the long run for both groups. Therefore, the stock market value is an important positive factor affecting renewable energies in the long run. Growth rate significantly affects re in both the short and long run, although it is only significant in the short run for rec as a dependent variable. Neither type of renewable energy affects growth in the short run and long run. This result is similar to Dogan that found little effect of renewable energy consumption on economic growth in Turkey. Destek found negative effect of renewable energy consumption for South Africa and Mexico. However, Adams et al discovered positive effect of renewable energy consumption on economicgrowth in 30 Sub-Saharan African (SSA) countries.By examining the relationship among two groups of renewable energy consumption, stock market value, and economic growth, the results of this study highlight a few points for policymakers in Iran who are looking for ways to improve public health by using clean energies. First, stock market development in Iran has led to an increase in renewable energy consumption for total hydropower, wind, solar, and nuclear energies, while has not affected the consumption of combustible renewable and waste energies. The positive effect of stock market value on long-run economic growth shows that stock market development can increase renewable energy consumption in the long run. Second, economic growth can also lead to an increase in renewable energy consumption of the first group so policies towards increasing economic growth also lead to renewable energy consumption of first group. Third, given Iran's recent investments in the development and use of renewable energy technologies, the results of this research show that the country should continue to develop its renewable energy infrastructure in order to reap the full benefits.Responses to the following questions can be a guide for policymakers to achieve sustainable development and to increase the health and well-being of the society.•Do renewable energies have a positive effect on economic growth?•Does the value of the stock market have a positive effect on economic growth?•Does the value of the stock market have a positive effect on renewable energy?If the value of the stock market affects both economic growth and renewable energy consumption, it can serve as a stimulus for using renewable energy and achieving sustainable development. Economic policymakers can increase renewable energy consumption by better understanding the nuances of the effects of stock market value and economic growth on each group of renewable energy and use this knowledge to facilitate the development of the applicable renewable energies for the improvement and spread of clean air.中文证券市场发展和经济增长的关系伊朗可再生能源消费Seyedeh Razmi，Bahareh Bajgiran等摘要本文研究了伊朗两类可再生能源消耗（水电，风能，太阳能和核能总量以及可燃可再生和废物总量）与证券市场价值和经济增长之间的关系。

金融资产证券化中英文对照外文翻译文献

金融资产证券化中英文对照外文翻译文献Financial Asset nAsset-Backed n (ABS) ___ ns。

typically commercial banks。

to remove unmarketable assets。

such as lease assets。

mortgage assets。

or commercial papers。

from their balance sheets in exchange for a long-term loan that can be ___。

the financial assets are transformed into bonds。

known as notes。

and the proceeds from their market issuance e a long-term loan for the asset owner。

also known as the originator。

This article will primarily focus on the n of ABS.ABS nThe ABS ___:1.___ a pool of financial assets that it intends to securitize.2.___ of the assets to a special purpose vehicle (SPV)。

which is created for the sole purpose of holding the assets and issuing the notes.3.The SPV issues the notes。

which are backed by the cash flows generated by the underlying assets.4.The notes are sold to investors in the capital markets。

金融资产证券化【外文翻译】

eriuqca ot tsoc lab olg eht neht ,gni tar rehgih htiw seton gniussi yb deniatbo gnivas
yap ot dewolla era suht dna stnem tsevni elbailer erom era seton detar rehgiH .3
01 sulp robiL fo tsoc eht ta AAA gnitar htiw seton eussi ot elba eb dna 1sei tnarraw na hcuS .stni op sisab 051 sulp )etar gnireff o knabretni nodnoL( robiL sa hcus etar tiderc teg ot stni op sisab 001 lan oi tidda na yap ot ediced yam ,rotanigiro sa ,noituti tsni
.)EOR( y tiuqe no nruter eht sevorpmi stessa
sti secuder s uht dna stessa sti f o elas thgirtuo elbissopmi na f o melborp eht sessapyb
eht pu ei t hcihw stcartnoc egagtrom ro esael ,ecnatsni roF .meht ot erusopxe llarevo
sisab 04 fo setar tseretni no gnivas a ecudorp lliw SBA na esac siht nI .stniop sisab
a ta yenom teg nac gnitar BB a htiw noituti tsni na taht emussa su teL .sesaerced sdnuf

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金融资产证券化中英文对照外文翻译文献(文档含英文原文和中文翻译)Securitization of Financial assetsAsset-Backed Securitization (ABS) is a financial tool which allows financial institutions (usually commercial banks) to move unmarketable assets (e.g.lease assets mortgage assets or commercial papers) from their balance sheets in exchange for a long term loan which can be ploughed back into more profitable investments. More precisely ,the financial assets are converted into bonds (so called notes ) and the proceeds of their market issuance become a long term loan for the assets owner (the originator ).We will look at the ABS operation mainlyfrom the point of view of this financial institution.Our analysis will concentrate on the critical phase of the ABS operation avoiding to describe in detail the role of some of the participating operators, such as banks and insurance companies, which provide the credit protection (risk hedging) of the operation .It should be noted that the issue of credit protection is an interesting research topic in itself .However ,the corresponding features such as credit guarantees and cash flow riskiness are beyond the scope of this paper .In an ABS, the assets are sold by the originator to a special purpose vehicle (SPV), an institution created solely for that purpose .The SPV funds the purchase through issuing debt securities-the notes-which are collateralized by the assets. Note that the assets transfer is a true sale. Thus , if the originator becomes insolvent or is involved in bankruptcy the transferred financial assets will not be part of the bankruptcy the transferred financial assets will not be part of the bankruptcy assets. This makes the notes an interesting investment opportunity .In apass through payment scheme the final investors who buy these notes receive periodic inflows (interests on their investments). These are directly relatedto the periodic installments paid by the holders of the assets (e.g. lessees or mortgage holders) to the originator (e.g. the lessor ). Using the ABS structure the originator bypasses the problem of an impossible outright sale of its assets and thus reduces its overall exposure to them. For instance ,lease or mortgage contracts which tie up the capital of leasing companies can be moved into notes. This replacement of illiquid assets improves the return on equity (ROE).From the point of view of the originator, an ABS allows the achievement of three mainFinancial objectives:1.Replacement of the assets in the balance sheet, therebyimproving ROE and allowing ( if the originator is a bank)a more flexible keeping of the asset/liability compositionconstraints imposed by the control authorities (i.e. the Central Bank).2.Diversification of fund sources. Althrough the originatormay be low rated, its notes usually get a higher rating(e.g. AAA) due to the presence of banks and insurancecompanies which guarantee the whole operation .This implies that such notes can be dealt on the main financialmarkets allowing the originator to reach markets which would otherwise be unaccessible for him since attended only by more established companies.3.Higher rated notes are more reliable investments and thusare allowed to pay lower interest rates to holders. If the cost to get a higher rating is lower than the saving obtained by issuing notes which higher rating, then the global cost to acquire funds decreases. Let us assume that an institution with a BB rating can get money at a rate such as Libor (London interbank offering rate) plus 150 basis points. Such an institution, as originator, may decide pay an additional 100 basis points to get credit warranties 1 and be able to issue notes with rating AAA at the cost of Libor plus 10 basis points. In this case an ABS will produce a saving on interest rates of 40 basis points. This situation applies in practice, since there is no efficient market for the underlying assets. The interest in this financial operation drastically increased in the last years all over Europe. In Italy, one of the most recent and relevant ABS has been performed by the pulic institution in charge of the management of the social security system, i.e. the Istituto Nazionale dellaPrevidenza Sociale (INPS).This operation has allowed INPS to move delinquent contributions from its balance sheet.Other transactions of this type took place in the area of public housing agencies.The interest in this financial operation drastically increased in the last years all over Europe. In Italy, one of the most recent and relevant ABS has been performed by the public institution in charge of the management of the social security system, i.e. the Istituto Nazionale della Previdenza Sociale (INPS). This operation has allowed INPS to move delinquent con-tributions from its balance sheet. Other transactions of this type took place in the area of public housing agencies.Many papers dealing with ABS from a modeling point of view have appeared in the last few years. Since an extensive review is beyond the scope of this paper we will only mention the papers by Kang and Zenios [6,7] and by Mansini and Speranza [12,13] and refer to the references given therein. For a better insight in the complex problem of securitization we suggest the textbooks [3,5,15].In particular, motivated by the analysis of a real-worldcase, Mansini in [11] and then Mansini and Speranza in [12] have studied the problem of optimally selecting the assets to refund the loan. In other case only lease assets are considered, although many other types of assets have the same basic characteristics. In their paper the outstanding principal of the assets is computed based on constant general installments (the so called French amortization). The resulting problem of selecting assets at unique date can be modeled as a d-dimensional knapsack problem, which is hardly tractable by exact algorithms but is typically solved by constructive heuristics (see e.g.[1,16]) or metaheuristics (see e.g.[2,4]. The authors also show that in the special case where all lease assets share the same financial characteristics (amortization rule, internal interest rate and term ) all but one constraint turn out to be redundant and hence the model reduces to a classical 0-1 knapsack problem (KP), which is relatively easy to handle (cf.[8,9,14]). See [10] for a general introduction to knapsack problems. Their work does not take into account the occurrence of a different rule for the asset amortization. In many practical applications (both for lease and mortgage contracts) thecustomers receiving the assets choose to pay back their debt by constant periodic principal installments (the rule is known as Italian amortization). Up to now this common rule has been totally ignored in models formalization.The objective of this paper is twofold .First of all we innovate with respect to previous modeling approaches by introducing a general model to select financial assets at multiple dates. The motivation derives from the practical need of finding alternative and possibly more effective formulations for the problem of asset selection in ABS to achieve a better utilization for the long term loan.Secondly, we analyze the frequently encountered practical case in which the assets (lease or mortgage contracts) are paid back by constant periodic principal installments ( Italian amortization rule). In this way the paper aim to provide analysis of an alternative amortization rule available in practices as well as the development of better tools for the institutions responsible for the planning and management of ABS.Before defining the new model we should give a more detailed sketch of the ABS process. To help the reader invisualizing and better understanding the structure of an ABS process. The SPV issues notes on the financial market receiving funds from institutional investors who purchase the notes and hold them until maturity subject to the availability of acceptable short-term financing. The proceeds obtained by the notes’issuance are used by the SPV to make revolving purchases of the unrated assets from the originator. The latter receives a long term loan which is payable solely by assets. In particular, the originator has to select the assets to be handed over for the loan reimbursement. These assets are“converted into” the notes issued by the SPV.The assets which are included in an ABS process have to be selected in a way such that the sum of their outstanding principals never exceeds the outstanding principal of the received loan (from now on simply the main outstanding principal) at any point in time. Now in order to maximize the financial gain of the operation the critical problem for the originator consists of minimizing the gap between the main outstanding principal and the outstanding principal of the selected assets over all points in time. This gap constitutes a loss of profit due to missing moreprofitable investments with higher yields.Actually the area of the main outstanding principal covered by the sum of outstanding principals of the handed-over assets yields a return for the originator ( e.g. the lessor) depending on the difference between the percent interest rate per year that the originator got from its customers (e.g. the lessees) and the lower percent interest rate paid to the note holders. If the sum of the outstanding principals of the selected assets has a global reimbursement profile which decreases more rapidly than that of the main outstanding principal, then the originator gets funds from its customers in advance with respect to the deadline at which it should pay the capital installment to the SPV. Such funds have to be reinvested in some predefined type of investments indicated in the ABS agreement. These investments last for a brief period (from the date in which they are available to the following date of reimbursement for the main loan) and usually yield a very low interest rate. Given the rate B payed for the notes it frequently happens that B is close to zero and may also be negative involving a loss for the originator. This justifies the interest in minimizing thegap between the two profiles and stresses the importance of studying alternative shapes for the outstanding principals.Another important aspect in an ABS process is the risk of assets prepayment (cf.Schwartz and Torous [18]).A decline in interest rates may cause an earlier repayment of the outstanding principals of the assets and hence has a negative effect on the value of the objective function over time since the gap towards the main outstanding principal increases.For some types of assets such as auto loans or credit card receivables this prepayment is unusual. However, leasing-like assets do face the risk of interest-rate based prepayment. Since prepayment events are non-predictable they cannot be taken explicitly into account in a deterministic off-line optimization model. Implicitly, it is assumed that all assets have the same probability of prepayment. In all cases where the risk of early paybacks is particularly high, a re-optimization of the whole ABS process at a later point in time is strongly recommended.Concerning the time line, in our case the assets arehanded over by the originator and purchased by the SPV starting at a closing date (initial date for the loan) and on a Fixed basis thereafter during the so called revolving period.. Each date at which a purchase takes place is called settlement date. The assets handed over by the originator at the closing date and thereafter at the settlement dates are collectively referred to as the initial and subsequent portfolios, respectively. Issued notes yield an interest payable on periodic bases (usually quarterly) and are redeemed at different final maturity dates. For this reason, notes are divided into tranches characterized by different deadlines.The reimbursement to the holders of the principals of a tranche of notes corresponds to a reimbursement installment of the main outstanding principal. Hence, the outline of the outstanding principal of the loan has as many installments (steps)as the number of notes with different maturity issued on the market.The main source of payment of interest and principal on notes are recoveries arising out of the assets. In particular, the cash-flow deriving from assets is used by the SPV to satisfy its obligations to the holders of notes.Naturally, the outstanding principal of an asset depends on the rule used for amortization.As mentioned above, two different rules mainly appear in practice, In the first rule, usually known as French amortization, the general periodic installment (sum of periodic interests and principal installment) is constant over time. In this case the customers who hold assets (mortgage or lease contracts) have to pay the same geometrically over time .In this case the customers who hold assets (mortgage or lease contracts) have to pay the same constant amount at each deadline. Since the principal installments increase geometrically over time (see figure 2(b) ), the outstanding principal can be approximated by a concave piece-wise linear function.Source: D. Bertsimas and R. Demir. Securitization of Financial Assets: Approximation in Theory and Practice. Computational Optimization and Applications, 2008(29), P147-171翻译:金融资产证券化资产证券化(ABS)是一种金融工具,它可以让金融机构(通常是商业银行)的流动资产(如租赁资产滞销,抵押资产或商业证件)在他们的资产负债表中转换为长期贷款。