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1.
Little attention has been paid in the literature to the impact of different investment horizons on the portfolio compositiondespite its importance to portfolio managers. One exception isthe study by Gunthorpe and Levy (1994) on the U.S. stock market.Our paper extends the same study to the stock markets of Japan,Hong Kong and Korea. Using 40 individual stocks in each market,our results support those of Gunthorpe and Levy (1994) in thatthe composition of an optimal portfolio depends heavily on theinvestment horizon. When the investment horizon lengthens, theproportion of defensive stocks becomes larger while that ofaggressive stocks becomes smaller. 相似文献
2.
Trends in consumer installment credit over the period 1980 to 1989 are discussed; as well, a two-equation recursive model is developed to identify and assess the impact of installment credit on food expenditures. The first equation concerns factors affecting the ratio of consumer installment credit to personal disposable income, namely habit persistence, expected income, the prime interest rate, the unemployment rate, and the percentage of the population aged 25 to 44. The second equation focuses on factors affecting real per capita food expenditures, namely the real price of food, real per capita personal disposable income, seasonality, and a polynomial distributed lag of the measure of the ratio of consumer installment credit to personal disposable income from the first equation. The ratio of installment credit to personal disposable income has a positive effect on food expenditures; over the long run a one percent change in this ratio leads to a 0.15 percent change in real per capita food expenditures. On average, it takes just over six months for a change in this ratio to be transferred to food expenditures. 相似文献
3.
According to the conventional wisdom, military conversion in Russia would be more difficult than in the United States because Russia does not have the developed market infrastructure and institutions that help western defense firms redeploy resources for civilian production. A closer look raises doubts about these arguments. Western defense firms have had difficulties with conversion because they cannot compete with the existing relatively efficient civilian firms. Meanwhile, the principal competitors of the Russian defense firms, the large Russian civilian enterprises, are closer in nature to defense enterprises than to efficient market firms. While this does not bode well for the Russian economy in general, the defense enterprises should not find themselves at a significant disadvantage in the civilian markets. Two effects can be distinguished. On the one hand, due to the more developed market infrastructure, the U.S. economy is presumably good at redeploying defense-related resources across firm boundaries. On the other hand, the large and efficient civilian sector in the United States makes the marginal "civilian" value of the redeployed resources low. It is the interaction of these factors, rather than the degree of development of market infrastructure alone, that determines the relative difficulty of military conversion. Additionally, empirical evidence based on regional data indicates that despite enormous defense expenditure cuts, the economic performance of Russia's regions is only relatively weakly correlated with the regions' dependency on defense industry. 相似文献
4.
This paper presents a test of an important implication of Becker's theory of employer discrimination: when institutional change enhances labor mobility, employer discrimination falls because it becomes more costly for employers to indulge tastes for discrimination. The test case is the National Basketball Association (NBA). This paper specifically addresses the following question about the NBA: why did black/white player salary differentials vanish by the early 1990s? Previous studies claim that NBA wage gaps in the 1980s are attributable to customer discrimination and monopsonistic wage discrimination. This study argues that employer discrimination was an important source of those gaps and that one reason they vanished was because reduced monopsony power eradicated employer discrimination. Monopsony power fell because the 1988 NBA Collective Bargaining Agreement and the entry of four new teams in the league enhanced player mobility and increased the amount of labor market competition. Using data for the 1985-86 and 1990-91 seasons, employer discrimination was proxied by the race of the team's general manager. Empirical results strongly suggest that a major reason the NBA wage gap vanished in the later period was because of a reduction in employers' ability to discriminate. This is in contrast to earlier literature on the NBA, which has tended to emphasize the role of customer discrimination. (JEL J71) 相似文献
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This study finds a bibliometric regularity in the finance literature that the number of authors publishing n papers is about of those publishing one paper. We find that the finance literature conforms very well to the inverse square law if data are taken from a large collection of journals. When applied to individual finance journals, we find that values of c range from 1.95 to 3.26. We also find that top-rated journals have higher concentrations among their contributors. This implies that the phenomenon “success breeds success” is more common in higher quality publications. 相似文献
8.
In this article we generalize Harvey's (1989) empirical specification of conditional asset pricing models to allow for both time-varying covariances between stock returns and marketwide factors and time-varying reward-to-covariabilities. The model is then applied to examine the effects of firm size and book-to-market equity ratios. We find that the traditional asset pricing model with commonly used factors can only explain a small portion of the stock returns predicted by firm size and book-to-market equity ratios. The results indicate that allowing time-varying covariances and time-varying reward-to-covariabilities does little to salvage the traditional asset pricing models. 相似文献
9.
R.K. ASHTON 《Journal of Business Finance & Accounting》1984,11(3):425-427
Wright's comment criticises a previous article by this author on two grounds: (i) the deprived owner of the asset was not allowed to replace it in the short run: and (ii) only two variants of the concept were considered. This reply argues that the original analysis is consistent with asset replacement in the short run and that the concept of value to the owner and its variants have been developed for special situations. When the concept is applied to accounting issues, such as periodic income measurement, it is shown to be artificial and at variance with the facts of the real world. 相似文献
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