Long time-series of the Ifo World Economic Climate

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《金融高质量发展研究的文献综述3300字》

《金融高质量发展研究的文献综述3300字》

金融高质量发展研究的国内外文献综述1. 国外文献综述国外有大部分学者就金融发展与经济增长二者之间的关系进行了研究。

Panicos (1996)等探究了金融发展与经济增长的关系,他们对16个国家的时间序列数据进行研究,研究表明,在相当多的国家,经济增长系统性地导致金融发展,总的来说,金融发展和经济增长之间的关系是双向的[1]。

Simon (2004)等以中国为例进行研究金融开放与地理位置之间的关系,他们认为尽管信息的电子传输会大大减少由于距离而导致的金融信息获取受阻,但地理因素仍然为金融服务主要集中于北京等特定地区的关键性因素[2]。

Arjana (2007)等利用了宏观和行业数据,分析国际金融一体化与金融发展对欧洲经济增长的非线性影响,结果显示出具有显著的非线性效应,认为金融一体化可能不会对增长本身产生积极的影响,其影响取决于国家金融市场的发展、宏观经济的稳定和机构的质量[3]。

Matías (2007)等认为国内金融发展对贸易和资本流动开放的国家的增长影响要小于在两个方面都封闭的国家,在允许资本流动的情况下,非贸易部门的规模对于国内金融体系自由化的机会具有重要作用[4]。

在对金融发展的衡量标准方面,King与Levine(1993)认为金融发展质量的各种衡量标准与实际人均国内生产总值增长率、实物资本积累速度以及经济体使用实物资本的效率提高密切相关[5]。

Pagano(1993)认为金融市场的产生与发展是对“金融发展”概念的重点,要研究金融的发展对经济的增长影响是否存在,以及具体的影响是什么,必须要具体说明相关的特定金融市场[6]。

2. 国内文献综述目前有关金融高质量发展的研究主要分成三方面,学者对于金融高质量发展面临的问题的研究、学者对金融发展质量内涵的界定以及学者关于高质量发展的研究。

对于金融高质量发展面临的问题,诸多学者基于不同的角度进行了详细的讨论。

李伟(2019)提出标准化建设对于金融高质量发展的作用,并就我国金融标准化工作存在的问题提出见解[7]。

The Cycle of Life

The Cycle of Life

The Cycle of LifeThe cycle of life is a complex and intricate process that encompasses thebirth, growth, reproduction, and eventual death of living organisms. It is a fundamental aspect of the natural world, shaping the way in which living things interact with their environment and with each other. From the smallest microorganisms to the largest mammals, the cycle of life is a universal phenomenon that governs the existence of all living beings on Earth. One perspective on the cycle of life is that of birth and growth. The beginning of life is a miraculousand awe-inspiring event, as a new organism comes into existence and begins its journey through the world. Whether it is a tiny seed sprouting into a plant or a baby animal taking its first breath, the process of birth and growth is atestament to the resilience and adaptability of life. It is a time of discoveryand exploration, as the new organism learns to navigate its surroundings anddevelop the skills necessary for survival. Another perspective on the cycle oflife is that of reproduction. This is a crucial stage in the life of an organism,as it ensures the continuation of its species. Reproduction can take many forms, from the simple division of cells in single-celled organisms to the complex mating rituals of birds and mammals. It is a time of intense biological activity, as the organism's body undergoes profound changes in order to produce offspring. Reproduction is also a time of great vulnerability, as the organism must protectand care for its young in order to ensure their survival. The final perspectiveon the cycle of life is that of death. This is perhaps the most difficult and emotional aspect of the cycle, as it represents the end of an organism's existence. Death can be a gradual process, as in the case of aging and natural decay, or itcan be sudden and unexpected, as in the case of accidents or predation. Regardless of the circumstances, death is a natural and inevitable part of life, and itserves to make room for new life to emerge. It is a time of reflection andmourning for those left behind, as they come to terms with the loss of a loved one. From a broader perspective, the cycle of life is also a reflection of the interconnectedness of all living things. Each organism plays a unique role in the larger ecosystem, and its life and death have far-reaching effects on other organisms and the environment as a whole. For example, the death of a plant oranimal can provide nutrients for other organisms, while the birth and growth ofnew individuals can help to maintain the balance of the ecosystem. This interconnectedness serves as a reminder of the delicate and intricate web of life that sustains our planet. On a more personal level, the cycle of life can evoke a wide range of emotions in individuals. The joy and wonder of new life, the tenderness and nurturing of offspring, and the grief and loss of death are all deeply human experiences that resonate with people on a profound level. These emotions are a testament to the power and significance of the cycle of life, as it shapes and defines our existence in ways that are both beautiful and heartbreaking. In conclusion, the cycle of life is a multifaceted and profound aspect of thenatural world. It encompasses the processes of birth, growth, reproduction, and death, shaping the way in which living organisms interact with their environmentand with each other. From the perspective of birth and growth, reproduction, and death, the cycle of life offers a rich tapestry of experiences that are both universal and deeply personal. It serves as a reminder of the interconnectednessof all living things and evokes a wide range of emotions in individuals.Ultimately, the cycle of life is a testament to the resilience, adaptability, and beauty of life in all its forms.。

tpo32三篇托福阅读TOEFL原文译文题目答案译文背景知识

tpo32三篇托福阅读TOEFL原文译文题目答案译文背景知识

tpo32三篇托福阅读TOEFL原文译文题目答案译文背景知识阅读-1 (2)原文 (2)译文 (5)题目 (7)答案 (16)背景知识 (16)阅读-2 (25)原文 (25)译文 (28)题目 (31)答案 (40)背景知识 (41)阅读-3 (49)原文 (49)译文 (53)题目 (55)答案 (63)背景知识 (64)阅读-1原文Plant Colonization①Colonization is one way in which plants can change the ecology of a site.Colonization is a process with two components:invasion and survival.The rate at which a site is colonized by plants depends on both the rate at which individual organisms(seeds,spores,immature or mature individuals)arrive at the site and their success at becoming established and surviving.Success in colonization depends to a great extent on there being a site available for colonization–a safe site where disturbance by fire or by cutting down of trees has either removed competing species or reduced levels of competition and other negative interactions to a level at which the invading species can become established.For a given rate of invasion,colonization of a moist,fertile site is likely to be much more rapid than that of a dry, infertile site because of poor survival on the latter.A fertile,plowed field is rapidly invaded by a large variety of weeds,whereas a neighboring construction site from which the soil has been compacted or removed to expose a coarse,infertile parent material may remain virtually free of vegetation for many months or even years despite receiving the same input of seeds as the plowed field.②Both the rate of invasion and the rate of extinction vary greatly among different plant species.Pioneer species-those that occur only in the earliest stages of colonization-tend to have high rates of invasion because they produce very large numbers of reproductive propagules(seeds,spores,and so on)and because they have an efficient means of dispersal(normally,wind).③If colonizers produce short-lived reproductive propagules,they must produce very large numbers unless they have an efficient means of dispersal to suitable new habitats.Many plants depend on wind for dispersal and produce abundant quantities of small,relatively short-lived seeds to compensate for the fact that wind is not always a reliable means If reaching the appropriate type of habitat.Alternative strategies have evolved in some plants,such as those that produce fewer but larger seeds that are dispersed to suitable sites by birds or small mammals or those that produce long-lived seeds.Many forest plants seem to exhibit the latter adaptation,and viable seeds of pioneer species can be found in large numbers on some forest floors. For example,as many as1,125viable seeds per square meter were found in a100-year-old Douglas fir/western hemlock forest in coastal British Columbia.Nearly all the seeds that had germinated from this seed bank were from pioneer species.The rapid colonization of such sites after disturbance is undoubtedly in part a reflection of the largeseed band on the forest floor.④An adaptation that is well developed in colonizing species is a high degree of variation in germination(the beginning of a seed’s growth). Seeds of a given species exhibit a wide range of germination dates, increasing the probability that at least some of the seeds will germinate during a period of favorable environmental conditions.This is particularly important for species that colonize an environment where there is no existing vegetation to ameliorate climatic extremes and in which there may be great climatic diversity.⑤Species succession in plant communities,i.e.,the temporal sequence of appearance and disappearance of species is dependent on events occurring at different stages in the life history of a species. Variation in rates of invasion and growth plays an important role in determining patterns of succession,especially secondary succession. The species that are first to colonize a site are those that produce abundant seed that is distributed successfully to new sites.Such species generally grow rapidly and quickly dominate new sites, excluding other species with lower invasion and growth rates.The first community that occupies a disturbed area therefore may be composed of specie with the highest rate of invasion,whereas the community of the subsequent stage may consist of plants with similar survival ratesbut lower invasion rates.译文植物定居①定居是植物改变一个地点生态环境的一种方式。

奥得赛岁月英语作文

奥得赛岁月英语作文

奥得赛岁月英语作文Odyssey of Time。

Introduction:Time is a fascinating concept that has captivated the minds of philosophers, scientists, and artists for centuries. It is a constant force that shapes our lives, influences our decisions, and determines our destinies. In this article, we will embark on a journey through the ages, exploring the significance of time and its impact on human existence.The Passage of Time:The passage of time is relentless and unstoppable. It flows like a river, carrying us along its current, never pausing or turning back. From the moment we are born until the day we die, time is our ever-present companion. It marks our milestones, measures our achievements, and reminds us of our mortality. As the saying goes, "Time waits for no one."Time as a Construct:While time is a fundamental aspect of our lives, it is also a human construct. We have divided time into seconds, minutes, hours, and days to bring order to our existence. We rely on clocks and calendars to navigate through our daily routines, to meet deadlines, and to plan for the future. Timekeeping has become an integral part of modern society, allowing us to synchronize our activities and coordinate our efforts.The Illusion of Time:Despite our meticulous measurements and precise calculations, time remains an elusive concept. It is both a physical and psychological phenomenon, capable of distorting our perception and altering our experiences. When we are engrossed in a captivating book or engrossed in a meaningful conversation, time seems to fly by. Conversely, when we are bored or waiting for something, time appears to drag onendlessly. This subjective nature of time highlights its fluidity and the power it holds over our perception.Time and Memory:Our memories are intricately linked to the passage of time. They serve as snapshots of our past, allowing us to reminisce and reflect upon our experiences. Time lends significance to our memories, giving them context and shaping our understanding of ourselves and the world around us. As we age, our memories become a treasure trove of cherished moments, a testament to the life we have lived.The Value of Time:Time is a finite resource, and its value cannot be overstated. It is the one thing we can never retrieve once it is lost. Time wasted is a life unlived, opportunities missed, and regrets accumulated. Therefore, it is crucial to make the most of the time we have. We should prioritize what truly matters to us, invest our time in meaningful pursuits, and nurture relationships that bring us joy and fulfillment. Time is a gift that should be cherished and utilized wisely.Conclusion:The odyssey of time is a journey we all undertake, from the cradle to the grave. It shapes our past, defines our present, and influences our future. Time is both a constant companion and a relentless force, reminding us of our mortality and urging us to make the most of every precious moment. As we navigate through the ever-changing tides of time, let us strive to leave a meaningful legacy and embrace the beauty and transience of our existence.。

[英语作文]插上科学的翅膀飞时间银行

[英语作文]插上科学的翅膀飞时间银行

[英语作文]插上科学的翅膀飞时间银行Title: Soaring into the Future: Time Banking with the Wings of ScienceIn an ever-evolving world, where technology advances at a breakneck pace and the concept of time is as fluid as the streams of data coursing through the internet, the idea of a time bank seems less like science fiction and more like an imminent reality. Time banks, a system where individuals can deposit, borrow, and exchange units of time based on skills and services rendered, are poised to take flight on the wings of scientific progress.As we delve into the heart of this concept, it becomes clear that the success of a time bank relies heavily on the trustworthiness of its members and the efficiency of the system itself. It is here that science and technology play pivotal roles in ensuring the viability and sustainability of such an innovative social structure.Blockchain technology, for instance, could provide the perfect backbone for a time bank by creating a transparent and decentralized ledger of all transactions. This would not only ensure the security and verifiability of each time unit exchanged but also foster a sense of community trust by allowing for complete transparency in the system. Each member's contributions and withdrawals would be visible and traceable, much like a digital bread crumb trail, providing a clear audit trail for anyone to review.Moreover, advancements in artificial intelligence and big data analytics could significantly enhance the matching capabilities within a time bank. By analyzing individual skill sets, preferences, and transaction histories, AI algorithms could efficiently pair members who need specific services with those capable of providing them. This intelligent matchmaking system would optimize the use of resources, ensuring that every hour deposited is matched with the greatest possible return in terms of service value and satisfaction.The integration of internet of things (IoT) devices could also revolutionize time banking by tracking and automating various tasks. For example, smart home devices could monitor and record the completion of household chores or maintenance tasks, freeing up valuable time for those who might struggle to find the necessary hours to contribute to the bank.Furthermore, the development of a secure and user-friendly digital platform would be essential for the widespread adoption of time banking. Such a platform would allow for easy transaction management, real-time updates on account balances, and even a marketplace where services can be advertised and sought. The user experience would be paramount in encouraging people to participate actively in the system.Finally, education and training programs could be integrated into the time bank system, offering workshops and seminars on topics ranging from financial literacy to technical skills. These educational units could themselves be traded as currency within the time bank, further enriching the community's collective knowledge base and fostering a culture of lifelong learning.In summary, the marriage of time banking with cutting-edge science and technology has the potential to create a synergistic ecosystem that empowers individuals while contributing to a more cohesive and productive society. As we continue to embrace the possibilities of scientific innovation, we may soon find ourselves soaring through a new dimension of time and space, where our most precious resource is valued and exchanged with unprecedented efficiency and harmony. The future beckons us to plug into the proverbial socket of progress and let the wings of science propel us towards an era where time truly is money.。

练习题答案英文

练习题答案英文

练习题答案英文一、选择题1. Which of the following is not a fruit?a) Appleb) Bananac) Carrotd) OrangeAnswer: c) Carrot2. The capital of France is:a) Berlinb) Londonc) Parisd) RomeAnswer: c) Paris3. What is the chemical symbol for water?a) H2Ob) CO2c) O2d) N2Answer: a) H2O二、填空题4. The largest mammal in the world is the _______.Answer: Blue Whale5. The process by which plants convert light energy intochemical energy is called _______.Answer: Photosynthesis6. The formula for calculating the area of a circle is_______.Answer: πr²三、简答题7. What are the four seasons?Answer: Spring, Summer, Autumn, and Winter.8. Explain the term "biodiversity."Answer: Biodiversity refers to the variety of life on Earth, including the variety within species, between species, and of ecosystems.9. What is the significance of the Magna Carta?Answer: The Magna Carta is significant as it is one of the first documents to establish the principle that the king was not above the law and that justice should be accessible to all.四、翻译题10. 请将以下句子翻译成英文:“教育是社会进步和个人发展的关键。

八年级英语询问动物演化单选题50题

八年级英语询问动物演化单选题50题

八年级英语询问动物演化单选题50题1. The first living things on Earth were single - celled organisms. Which of the following is a characteristic of the evolution from single - celled to multi - celled organisms?A. The ability to live independently without any cooperation among cellsB. The development of specialized cells for different functionsC. A decrease in the overall complexity of the organismD. The loss of the ability to reproduce答案:B。

解析:从单细胞生物到多细胞生物的演化过程中,一个重要的特点就是细胞开始分化出不同的功能,这使得生物可以更好地适应环境,选项B正确。

选项A,多细胞生物的细胞间存在合作,并非独立生存。

选项C,这个过程是生物整体复杂性增加而不是减少。

选项D,多细胞生物的细胞仍然具有繁殖能力,并没有失去繁殖能力。

2. Single - celled organisms like bacteria are very simple in structure. In the evolution to multi - celled organisms, what was an important step?A. Keeping the same simple cell structure for all cellsB. Combining with other single - celled organisms randomlyC. Developing a way to communicate between cellsD. Staying in one place without any movement答案:C。

生活史进化

生活史进化

第2章生活史进化张大勇生活史进化对策的研究起始于本世纪40年代末~50年代初,主要是由动物种群统计学(demography)和进化理论相结合而形成的。

在1920~1950年这一时期,生态学家已经开始广泛地运用寿命表方法研究动物种群,因而对于生活史的定量种群统计学后果已经具备了一个有效的分析方法。

这种方法考察的是特定年龄个体的死亡率和生育率。

生态学家已清楚地知道,这些生活史参数无论是在种内还是在种间都有很大的变异。

种群遗传学和数量遗传学的迅猛发展同时也为达尔文关于表型性状适应价值的论述提供了坚实基础。

在第1章内,我们已经提到,早期的种群生态学并不关注种群内部的遗传变异,而种群遗传学也基本上忽略了种群动态过程。

二者之间的有机结合是生态学领域内长期没有得到很好解决的一个难题;而这对于生活史对策研究却是至关重要的。

尽管Fisher(1930)早在30年代就已经提出应把种群统计学性状看作为表型的一部分并探索它们的适应性基础,但人们公认现代生活史进化理论创立于40年代末到50年代初Lack(1947)关于鸟类窝卵数、Medawar(1946,1952)关于衰老、以及Cole(1954)关于单次生殖/多次生殖进化的研究。

其后,生活史进化方面的研究蓬勃兴起,有关文献可说是浩如烟海。

但在本章内我们并不打算对整个领域进行全面地综述,而是选择几个有代表性的核心问题介绍其理论背景和发展趋势。

如果读者想要更全面地了解该领域,可以参阅Roff(1992)以及Stearns (1992)的专著。

侧重于基础理论方面的书籍有Charlesworth(1994)。

在进入本章具体内容之前,我们有必要首先熟悉一下生活史进化研究的基本途径—表型优化理论(参见第3章)。

2.1 进化生物学中的表型优化研究途径近些年,进化生物学家和生态学家已经开始广泛采用工程学和经济学领域内的数学方法来认识生命的多样性问题(Maynard Smith 1978)。

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