Firms select not only how many, but also which workers to hire. Yet, in standard searchmodels of the labor market, all workers have the same probability of being hired. We arguethat selective hiring crucially affects welfare analysis. Our model is isomorphic to a searchmodel under random hiring...

We evaluate the effects of outsourcing and wage solidarity on wage formation andequilibrium unemployment in a heterogeneous labour market, where wages are determinedby a monopoly labour union. We find that outsourcing promotes the wage dispersion betweenthe high-skilled and low-skilled workers...

We study both the various consequences and the incentives of outsourcing. We argue thatthe wage elasticity of labour demand is increasing as a function of the share of outsourcing,which is importantly a result consistent with existing empirical research...