We consider a finite number of firms which compete imperfectly for heterogenous workers. Firms produce a homogeneous good sold on a competitive market and face demand-induced price fluc- tuations. It is then shown that unemployment may arise in equilibrium because of uncertainty on product...

A two-sector model of urban unemployment is developed which focuses on the formation of a secondary sector under conditions in which a demand shock in the primary sector leads to a sharp increase in unemployment. The optimal location in the secondary sector (treated as a single firm) is shown to...