hours experienced by US male workers since the mid 70's. It can also explain the differential effects observed across skill groups

Distinguishing between the relative roles of skills and luck in the determination of wages is a main concern for economic policy. Variation in observed characteristics of workers and firms typically account for one third of total variance in wages in the US. Luck, as a result of frictions in the...

We consider a competitive equilibrium matching model where technological progress is embodied in new jobs. Jobs are slowly created over time and in equilibrium there is dispersion in job technologies. Workers can be employed in at most one job. They decide on whether to participate in the labor...

In the US economy most of the structural transformation from manufacturing to services occur in recessions. Typically recessions start with a contraction in manufacturing employment followed by an increase in service employment. This pattern has changed in recent recession in the US. The...

Social contacts help workers to find jobs, but those jobs need not be in the occupations where workers are most productive. Hence social contacts can generate mismatch between a worker's occupational choice and his comparative productive advantage. Thus economies with dense social networks can...

We study the optimal long-term contract offered to workers when firms are financially constrained in their investment plans. To alleviate the tightness of the financial constraints, firms promise an increasing wage profile to workers, that is, they pay lower wages today in exchange of higher...