The importance of the design of the income tax system for the incentive to supply effort is considered for both a situation where firms (efficiency wage model) or unions (monopoly union model) have the power to determine wages. A tax reform raising marginal taxes at all income levels and...

Empirical evidence documents substantial persistence in the adjustment process to nominal shocks. Existing open-economy models have failed either to generate interesting dynamics or found that the mechanisms are quantitatively weak. We consider the propagation of nominal shocks in a fully...