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We argue that when individuals care about their consumption relative to that of their neighbours, a home bias emerges, that is investors overweight domestic stocks in their portfolios. Domestic stocks are preferred because they also serve the objective of mimicking the economic fortunes and welfare of the investor's neighbours, countrymen, and social reference group. We also demonstrate that globalization mitigates the home bias, and derive a modified international CAPM. 相似文献
3.
We analyze the optimal portfolio policies of expected utility maximizing agents under VaR Capital Requirement (VaR-CR) regulation in comparison to the optimal policy under exogenously-imposed VaR Limit (VaR-L) and Limited-Expected-Loss (LEL) regulations. With VaR-CR regulation the agent strategy consists of simultaneous decisions on both the portfolio VaR and on the implied amount of required eligible capital. As a result, the performance of VaR-CR regulation depends on its design (the parameter n) and the agent preferences. We show that an optimal VaR-CR regulation allows the regulator on the one hand, to completely eliminate the exposure to the largest losses, which may jeopardize the existence of the institution, and on the other hand, to restrain the portfolio exposure to all other losses. These results rationalize the current Basel regulations. However, the analysis shows also that there is an optimal level of required eligible capital from the regulator standpoint. Counter-intuitively, any requirement above this optimal level is inefficient as it leads to a smaller amount of actually maintained eligible capital and thereby to a larger exposure to the most adverse states of the world. Unfortunately, the current Basel’s range of required levels (n = 3–4) is within this inefficient range. Moreover, with an inefficient regulation the agent might employ an inefficient reporting and disclosure procedure. 相似文献
4.
When financial statements are audited, a client and auditor may disagree about an accounting disclosure. While the disclosure of such a disagreement may increase the information content of a statement it may also be socially undesirable in that it signals a difference in views about the state of the reporting enterprise. This in turn may increase agency costs and introduce uncertainty about the state of the firm. In this paper we focus on public policy implications concerning auditor-client disagreements and examine the ex ante probability that such cases will occur. We find that accounting standards that allow two accounting options may be optimal in reducing frequency of disagreements among auditors and between standard-setters and their constituencies, and possibly also between clients and their auditors. The New Zealand model of compliance with accounting standards may be preferable to that practiced in the US. 相似文献
5.
Haim Ben Shahar 《The Journal of Finance》1970,25(3):678-681
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Haim Mendelson 《Journal of Economic Theory》1985,37(2):254-280
This paper studies the behavior of a competitive exchange under uncertain preferences and random indivisible endowments. We obtain explicit closed-form results for the price distribution and expected gains from trade, both for case where the market is “thin” and the number of traders is low, and for the asymptotic case where the number of traders tends to infinity. We demonstrate that increasing the number of traders reduces price variability and increases the expected gains from trade, and that increasing the variability of traders' reservation prices increases price variability as well as the expected asymptotic gains from trade. 相似文献
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Monthly holding period returns for U.S. Treasury bills and notes of identical maturity indicate a significant coupon effect upon term premiums. Hotelling's T2 test of the vectors of mean term premiums indicates that term premiums are not statistically significant for notes but are significant for bills. Mean-variance and stochastic dominance criteria indicate an investment preference for bills over notes on a pretax basis. Because the data set is Treasury bills and notes, which are identical except for coupon level, these results are evidence of a coupon effect on term premiums. 相似文献
10.
Haim Abraham 《Economic Theory》2006,28(1):213-219
Summary. It is known that when voluntary exchange is permitted at disequilibrium, dynamic stability may fail because of lack of liquidity. In this paper it is shown that when the economy runs out of liquidity dynamic stability can still be restored by means of a planning procedure of redistributing personal incomes.Received: 30 May 2003, Revised: 20 January 2005, JEL Classification Numbers:
D01, D50.I wish to thank a referee for helpful comments. 相似文献