This paper proposes and solves a search unemployment model in which job separation requires mandatory notice. When jobs are subject to idiosyncratic uncertainty, firms would issue advance notice even with good business conditions. We show that such precautionary policy is not pursued if it...

This paper offers an alternative theory for the increase in unemployment and wage inequality experienced in the United States over the past two decades. In my model firms decide the composition of jobs and then match with skilled and unskilled workers. The demand for skills is endogenous and an...

Countries react differently to large labour reallocation shocks. Some minimize the costs by adapting rapidly, while others suffer long periods of costly adjustment, typically high and persistent unemployment and temporary output losses. We argue that the existence of large amounts of specific...

We show in the framework of a new economic geography model that when labour is heterogenous and productivity depends on the quality of the match between job and worker, trade liberalization may lead to industrial agglomeration and inter-industry trade. The agglomeration force is the improvement...

We survey an emerging literature at the intersection of organizational economics and international trade. We argue that a proper modelling of the organizational aspects of production provides valuable insights on the aggregate workings of the world economy. In reviewing the literature, we...