We consider three broad types of employment contract vis, self-employment, PRP, and fixed wage employment. We focus on the implied degree of income risk associated with each type of employment contract, arguing that such risk falls as we move from self-employment at one extreme to fixed wage...

A class of bivariate rank tests are developed for the two-sample problem of testing equality of distributions against certain one-sided alternatives. These tests are the nonparametric analogs of a normal theory test proposed by Schaafsma and Smid. These tests are shown to be unbiased and the...