Worker heterogeneity in productivity and labor supply is introduced into a matching model. Workers who earn high wages and work high-hours are identified as those with strong market comparative advantage—high rents from being employed. The model is calibrated to match separation, job finding,...

Whether technological progress raises or lowers employment in the short run has been the subject of much debate in the recent years. We show that cross-industry differences in inventory holding costs, demand elasticities, and price rigidities potentially all affect employment decisions in the...