There are three kinds of science : ( 1 ) the pioneering science of those who develop hypotheses , ( 2 ) the comprehensive work of those who develop models , and ( 3 ) what kuhn called the " normal science " of those working under the aegis of a prevailing paradigm 有三种科学： （ 1 ）开发假说的那些先驱首创科学， （ 2 ）从事综合性工作发展模型的科学，以及（ 3 ）在流行范式庇护下工作库恩称之为“正常的科学” 。
The loan for company and individuals both have some risk . once these risks become bigger and bigger , there will be great damages to commercial banks even the whole economic system of china . the author tries to give a simple model to measure the risk of 从“金融不稳定”假说的角度来讲,房地产开发商可以看作一个庞兹理财者,所以受到产业周期的影响比较大,目前我国的房地产发展十分迅速,因此风险在总体上来看并不大。
Whether direct contact media information dissemination , the mass media decided cognitive roles of the different characteristics affect the public . for direct contact with the public media , the media establishment and adoption of the agenda first major social issues reports , community groups and 并探索随着社会的发展和科技的进步,受众培养假说的理论环境和现实环境都发生了很大变化的条件下,如今的受众培养理论面临着何种新的挑战。
Following kuznets , sherman robinson made outstanding contributions to research on inverted u hypothesis , who in 1976 put forward a mathematical model that would allow for more rigorous studies on u hypothesis , according to the transfer of population within two sectors leading to change in income inequality 本文从相对收入不平等角度出发,提出了一个两部门模型,研究了库兹涅茨倒u假说成立的条件,分析了倒u假说的性质,并分析了教育扩张对收入不平等动态的影响。
The cause of the goodman paradox is not only the indiscrimination of the law - like hypothesis and accidental hypothesis but also such a characterization : it is unnecessary but improbable that the conclusion is false while the premises are all true ( " inductive probability " ) 摘要之所以会产生古德曼悖论，不仅是因为类律假说和偶适假说的混同，而且也是因为对归纳的这样一个似是而非的刻画：假设归纳推理的前提都为真，则其结论不一定但很可能为真（即所谓的“归纳概然性特征” ） 。
This text exactly proceeds from origin of this classical theory , take historical train of thought as the thread , detail the whole course of its development , know different science to the purchasing - power - parity theory , form the " authoritativeness " survey materials of a purchasing - power - parity theory development . the focal point of the article lies in forming and developing exhaustive argumentation and new to various kinds of this theory hypothesis validity production the purchasing - power - parity theory on this basis of gradual progress course thinking 本文从购买力平价这一经典汇率理论的起源出发,分析和阐述了购买力平价理论的形成基础和基本内涵;以历史脉络为主线,总结众家学派对购买力平价理论的贡献暨购买力平价理论的发展进程;在此基础上,从不同的视角对该理论假说的有效性及可行性提出质疑,并对购买力平价理论作了进一步探讨。
The second part first retrospects the evolvement history of inquiry learning , then , by anatomizing its basic connotation and core factors , reaches a conclusion that inquiry learning does n ' t force the students to explore and research in every detail and thereby removes the students " mystery to it ; and also by dissertating the core position of the hypothesis in scientific exploration and research indicates the striving direction of scientific inquiry learning , that is to put forward the hypothesis and test the hypothesis 第二部分首先追溯了探究性学习的演变轨迹，通过剖析其基本内涵和核心要素，得出探究性学习并不强求学生活动的全方位探究性，从而消除对它的神秘感；通过论述假说在科学探究中的核心地位，指明了科学探究式学习活动设计应该努力的方向：假说的提出和假说的验证。
In this paper , the newest empirical test of efficient market hypothesis ( emh ) was done in terms of the empirical test of capital asset pricing model ( capm ) . because of the logical relationship between emh and capm , we tried to use a new method to find whether the emh theory is available in china ' s stock market . we did our research on the basis of emh ( efficient market hypothesis ) 本文从资本资产定价模型出发，首先回顾了有效市场假说的理论以及国内学者在这一领域中的研究成果，其次用实证研究的方法检验了该模型在中国的适用性，得到的结论认为在目前阶段中国股票市场还不适合用资本资产定价模型来确定资产价格，最后对中国股票市场效率不足的原因进行分析并提出政策性建议。
Chapter 3 describes the theoretical kernel of emh . at first , the basic theory of emh is expounded , the intensions of external efficient from that of internal efficient , and the meanings of three types of efficient markets , defined by the degree of price of securities reflecting all available information , was differentiated and analyzed 首先阐述了有效市场假说的基本理论，区分了市场外部有效和内部有效及三类有效市场的内涵，然后进一步阐释了有效市场假说与相关命题的关系，并系统论述三类有效市场检验的数量分析方法。
