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71.
中国股市市盈率分布特征及国际比较研究 总被引:20,自引:1,他引:20
本文对市盈率的内涵、计算方法、区间确定等理论问题进行了剖解 ,针对中国股市流通股、非流通股并存等特征 ,对市盈率在中国股市的计算方法进行了分析 ;在此基础上对中国股市市盈率分布特征进行实证分析和国际比较研究 ,认为目前沪深股市泡沫成份已较少 ,市盈率在合理区间之内 ,中国股市具有投资价值 相似文献
72.
In this paper the Viennese stock exchange data are analysed by using ARMA and GARCH technology. After using AIC and BIC for estimating the linear structure of the time series, to the resulting innovations a GARCH(1,1) model is fit. The resulting residuals are then tested for serial independence and constancy of its distribution to check whether the models are reasonable. Main result is that the residuals of this ARMA-GARCH(1,1)-model are reasonably iid (which is checked by BDS and classical independence tests) for index data and significantly less well-behaved for stock data. Second, there is considerable autocorrelation in the data (especially in the Viennese indices WBK and ATX) which can be exploited even with 1.25% transaction costs (which is checked by a posteriori analysis of a strategy which exploits an underlying time-varying AR(1) model), however, much higher profit can be made with 0.5% transaction costs. Furthermore, the same techniques are applied to US Standard & Poor 500 index and the results for both data sets are compared giving the result that the US-market looks much more mature than the Viennese one.Financial Support by the Institute for Advanced Studies, Vienna, and the Fonds zur Förderung der wissenschaftlichen Forschung, Vienna, Grant P 9176 is gratefully acknowledged. This paper is a slightly abbreviated version of the Research Report No. 135 by the same authors (see References), which contains many detailed plots of the results. 相似文献
73.
刘易斯模型与托达罗模型的否定之否定--城市化战略的理论回顾与现实思考 总被引:8,自引:0,他引:8
城市化是刘易斯二元经济发展理论的基本政策含义。否定刘易斯模型的托达罗模型导致了农业发展低水平均衡、经济增长低效率和经济结构低级化等消极后果。走出托达罗困境的可行选择 ,是经过修正和补充的刘易斯模型的复归。伴随着发展中国家经济发展战略重点的转换 ,经济发展理论走出了一条螺旋式上升的成长道路 相似文献
74.
本对我国1978—2002年的M1/M2的长期趋势、水平和周期波动进行了研究,结果表明1978—1995年,中国的M1/M2呈急剧下降的态势,但是从1996至今则基本保持平稳。另外从国别比较来看,我国属于M1/M2比较高的国家(地区)之一,这表明我国的居民和企业由于支付制度、取款成本、规避税收等原因比美、日等国家的经济主体对M1的需求高很多。除开长期走势之外,中国的M1/M2还伴随着经济活动呈周期性的波动,实证分析结果表明1996年前的经济增长率是M1/M2周期波动的Granger原因,但1996年以后则必须由名义利率、通货膨胀率和股票市场交易量的变动才能说明M1/M2的波动。 相似文献
75.
76.
Susan Mudambi Author Vitae Raj Aggarwal Author Vitae 《Industrial Marketing Management》2003,32(4):317-325
As e-commerce evolves and gains power in the business-to-business (B2B) marketplace, what lies ahead for the industrial distributor? The fundamental issue from the distributor's point of view is how to compete more effectively and profitably, given the changing business environment of the new economy. This paper reviews the literature on the distributor's role and relationships and introduces a conceptual model of distributor viability. The model identifies sources of value that distributors offer to manufacturers and customers, including customer relationship management (CRM), production and operations management (POM), and knowledge management (KM). The paper explores the managerial implications of distributor relationships and sources of value. This provides the foundation for better understanding of the viability of industrial distributors in the new economy. 相似文献
77.
Derrick Reagle 《Review of Financial Economics》2006,15(1):19-27
Contingent claims separate revenue and cost into two different time periods. Revenue comes in the initial origination process, while the cost comes upon completion of the contract in the event of default. With banks increasing contingent claims in recent years, a higher taxable income leads to a shift in a bank's balance sheet toward tax-free income and tax-shielding liabilities. This provides a valuable case-study of corporate finance theories of tax management. This paper builds a model to illustrate the income features of contingent claims. Call Reports from 1990-1996 are examined, and show significant evidence of increases in leverage associated with contingent claims. 相似文献
78.
New Keynesian macroeconomic models have generally emphasized that expectations of future output are a key factor in determining current output. The theoretical motivation for such forward-looking behavior relies on a straightforward generalization of the well-known Euler equation for consumption. In this paper, we use maximum likelihood and generalized method of moments (GMM) methods to explore the empirical importance of output expectations. We find little evidence that rational expectations of future output help determine current output, especially after taking into account the small-sample bias in GMM. 相似文献
79.
Politics and economics in weak and strong states 总被引:4,自引:0,他引:4
Daron Acemoglu 《Journal of Monetary Economics》2005,52(7):1199-1226
While much research in political economy points out the benefits of “limited government,” political scientists have long emphasized the problems created in many less-developed nations by “weak states,” which lack the power to tax and regulate the economy and to withstand the political and social challenges from non-state actors. I construct a model in which the state apparatus is controlled by a self-interested ruler, who tries to divert resources for his own consumption, but who can also invest in socially productive public goods. Both weak and strong states create distortions. When the state is excessively strong, the ruler imposes such high taxes that economic activity is stifled. When the state is excessively weak, the ruler anticipates that he will not be able to extract rents in the future and underinvests in public goods. I show that the same conclusion applies in the analysis of both the economic power of the state (i.e., its ability to raise taxes) and its political power (i.e., its ability to remain entrenched from the citizens). I also discuss how under certain circumstances a different type of equilibrium, which I refer to as “consensually strong state equilibrium,” can emerge whereby the state is politically weak but is allowed to impose high taxes as long as a sufficient fraction of the proceeds are invested in public goods. The consensually strong state might best correspond to the state in OECD countries where taxes are high despite significant control by the society over the government. 相似文献
80.
Corruption, inequality, and fairness 总被引:1,自引:0,他引:1
Bigger governments raise the possibilities for corruption; more corruption may in turn raise the support for redistributive policies that intend to correct the inequality and injustice generated by corruption. We formalize these insights in a simple dynamic model. A positive feedback from past to current levels of taxation and corruption arises either when wealth originating in corruption and rent seeking is considered unfair, or when the ability to engage in corruption is unevenly distributed in the population. This feedback introduces persistence in the size of the government and the levels of corruption and inequality. Multiple steady states exist in some cases. 相似文献