We present a modification of a recently proposed test of symmetry about a known center. The new test uses Wilcoxon scores to weigh the runs and has a limiting normal distribution under the null hypothesis. A Monte Carlo study shows that it is more powerful than both the runs and Wilcoxon...

We will show that the regression approach to estimating the standard error of the Gini index can produce incorrect results as it does not account for the correlations introduced in the error terms once the data are ordered. To assess the effect of ignoring the correlation in the error terms we...

In the late 1990s the stocks of technology companies, especially those involved with the Internet, were highly profitable. Customers of investment firms requested many more shares of new issues or initial public offerings (IPOs) than were available. Some customers allegedly made questionable...