This paper utilizes the Survey of Work History (1981) data to examine the importance of non-random sampling in the context of a model of interfirm labor mobility. The paper adopts Heckman's two-step procedure in order to estimate a three-equation model incorporating an individual's mobility...

This paper utilizes the 1989 Labour Market Activity Survey to examine the gender wage differential in Canada. The aim is to update previous studies and extend earlier analysis in two significant ways. First, occupation is treated as endogenously determined. Secondly, the Zabalza and Arrufat...

The question of whether or not there exists a meaningful economic distinction between quits and layoffs has attracted considerable attention. This paper utilizes a recent test proposed by J. S. Cramer and G. Ridder (1991) to test formally whether quits and layoffs may legitimately be aggregated...