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Journal of Financial Economics

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Опубликовано на портале: 02-10-2003
Michael J. Barclay Journal of Financial Economics. 1987.  Vol. 19. No. 1. P. 31-44. 
This study examines the ex-dividend day behavior of common stock prices before the enactment of the federal income tax. On ex-dividend days during the pre-tax period, stock prices fell, on average, by the full amount of the dividend. The data are consistent with the hypothesis that (i) investors in the pre-tax period value dividends and capital gains as perfect substitutes and (ii) the differential taxation of dividends and capital gains has since caused investors to discount the value of taxable cash dividends in relation to capital gains.
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Опубликовано на портале: 03-10-2003
Shmuel Kandel, Robert F. Stambaugh Journal of Financial Economics. 1987.  Vol. 18. No. 1. P. 61-90. 
A framework is presented for investigating the mean-variance efficiency of an unobservable portfolio based on its correlation with a proxy portfolio. A sensitivity analysis derives the highest correlation between the proxy and a portfolio that reverses the inference of a test of SHarpe-Lintner tangency. For example, the maximum correlation between the value-weighted NYSE-AMEX portfolio and a portfolio inferred tangent ranges from 0.76 to 0.48. We also test whether the correlation between the proxy and the tangent portfolio exceeds a given level. This hypothesis is often rejected for the NYSE-AMEX proxy at a correlation of 0.7.
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