Offers an alternative to Markowitz’s “Portfolio Selection”. Outlines the nuts and bolts of correlation between past and future performance, or between expected and actual returns. Explains ...

A quantitative study is made of the bias in the usual estimate of the linear correlation coefficient and of the relative efficiency of the estimated regression, when a certain type of selective ...

It is shown that there is a substantial positive sampling correlation between the regression of offspring on mid-parent and the covariance of full sibs estimated from the same data, and that in a ...