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71.
In standard portfolio theories such as Mean–Variance optimization, expected utility theory, rank dependent utility heory, Yaari’s dual theory and cumulative prospect theory, the worst outcomes for optimal strategies occur when the market declines (e.g. during crises), which is at odds with the needs of many investors. Hence, we depart from the traditional settings and study optimal strategies for investors who impose additional constraints on their final wealth in the states corresponding to a stressed financial market. We provide a framework that maintains the stylized features of the SP/A theory while dealing with the goal of security in a more flexible way. Preferences become state-dependent, and we assess the impact of these preferences on trading decisions. We construct optimal strategies explicitly and show how they outperform traditional diversified strategies under worst-case scenarios. 相似文献
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Card and Krueger's meta-analysis of the employment effects of minimum wages challenged existing theory. Unfortunately, their meta-analysis confused publication selection with the absence of a genuine empirical effect. We apply recently developed meta-analysis methods to 64 US minimum-wage studies and corroborate that Card and Krueger's findings were nevertheless correct. The minimum-wage effects literature is contaminated by publication selection bias, which we estimate to be slightly larger than the average reported minimum-wage effect. Once this publication selection is corrected, little or no evidence of a negative association between minimum wages and employment remains. 相似文献
74.
An effective strategy formation capability is a complex organizational resource—a dynamic capability that should lead to superior performance. Strategy scholars have examined the strategy formation capability from many perspectives. However, no study has examined a comprehensive model of strategy formation in the context of the firm's strategic orientation. We develop and examine such a model. The results show that strategic orientation moderates the relationship between different elements of the strategy formation capability and performance. Copyright © 2006 John Wiley & Sons, Ltd. 相似文献
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Syau Yu-Ru Hsieh Hai-Teh Lee E. Stanley 《Review of Quantitative Finance and Accounting》2001,17(4):351-360
Most of the parameters used to describe the credit rating are in linguistic terms, which are vague and difficult to put into precise numerical values. Fuzzy set theory, which was developed to handle this kind of vagueness, is used to represent and to aggregate the various linguistic data usually used in commercial banks. To illustrate the approach, numerical examples are solved and compared with existing approaches. 相似文献
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R. Kenneth Teas Ph.D. Stanley D. Sibley Ph.D. 《Journal of the Academy of Marketing Science》1980,8(3):277-293
The purpose of this study was to empirically test a model of channel member preferability status. The channel linkage examined
was the food manufacturer—food broker interface. The results of the study suggest that the preferability status of a food
manufacturer as perceived by a food broker is a function of manufacturer coercive and noncoercive power, food broker organizational
role stress, and food broker performance. The findings also suggest that some of the relationships are moderated by the size
of the respondent's firm.
Both authors contributed equally in this study. 相似文献
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