We examine the timing of firms' operations in a formal model of labor demand. Merging a variety of data sets from Portugal from 1995-2004, we describe temporal patterns of firms' demand for labor and estimate production-functions and relative labor-demand equations. The results demonstrate the...

Two striking facts describe work timing in the United States: a lower propensity to work evenings and nights in large metropolitan areas, and a secular decline in such work since 1973. One explanation is higher and possibly increasing crime in large areas. I link Current Population Survey data...

There has been a wide variety of research on worker-hours substitution and the effects of various costs on the speed and extent to which labor demand adjusts. Much of this literature, though, confuses various types of fixed costs and fails to provide a guide for identifying how changes in...