Within an efficiency wage framework, we study the effects of two revenue-neutral tax reformsthat change the progressivity of the labour tax system. A revenue-neutral increase in both thewage tax and tax exemption and a revenue-neutral change in the composition of labourtaxation towards the tax...

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...

We analyze the stability and dynamics of an overlapping generations model with imperfectlycompetitive labour markets...