We analyze the optimal (efficiency) wage contract when output is contractible but firms neither observe the workers' effort nor their match-specific productivity. Firms offer wage contracts that optimally trade off effort and wage costs. As a result, employed workers enjoy rents, which in turn...

While there is consensus on the need to raise the time spent in the market by European women, it is not clear how these goals should be achieved. Tax wedges, assistance in the job search process, and part-time jobs are policy instruments that are widely debated in policy circles. The paper...

The sustainability of welfare states requires high employment and high participation to raise the tax base. To analyze labor supply in a world with market frictions, we propose and solve a macro model of the labor market with unemployment and labor force participation as endogenous and distinct...