Firing-cost-free temporary contracts were introduced in many European countries during the eigthies in order to fight high unemployment rates. Their rationale was to increase job creation in a context of high firing costs that were politically hard to decrease. Temporary contracts have become a...

In this paper 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 is shown to be at the...