"This paper studies Holmstrom's [1999] seminal model of career concerns, but considers that a small change in the beliefs about the agent's future productivity may imply a large change in his compensation--because, for example, the agent may be fired or promoted. This allows us to study how the...

"We develop a quantitative theory of human capital with heterogeneous agents in order to assess the sources of cross-country income differences. The cross-sectional implications of the theory and U.S. data are used to restrict the parameters of human capital technology. We then assess the...

"Studying the incentives and constraints in the non-market sector--that is, home production--enhances our understanding of economic behavior in the market. In particular, it helps us to understand (1) small variations of labor supply over the life cycle, (2) large variations of employment...

"This paper re-considers the empirical relevance of the Lucas critique using a DSGE sticky price model in which a weak central bank response to inflation generates equilibrium indeterminacy. The model is calibrated on the magnitude of the historical shift in the Federal Reserve's policy rule and...

"Whether technological progress raises or lowers aggregate employment in the short run has been the subject of much debate in recent years. Using a simple model of industry employment, we show that cross-industry differences of inventory holding costs, demand elasticities, and price rigidities...

"Standard search and matching models of equilibrium unemployment, once properly calibrated, can generate only a small amount of frictional wage dispersion, i.e., wage differentials among exante similar workers induced purely by search frictions. We derive this result for a specific measure of...

"In this technical appendix to Hornstein, Krusell, and Violante (2006) (HKV, 2006, hereafter) we provide a detailed characterization of the search model with (1) wage shocks during employment and (2) on-the-job search outlined in Sections 6 and 7 of that paper, and we derive all of the results...