In a model with heterogenous agents, wage setting by monopoly unions and monetary policy conducted by a central bank, we show that the duration of nominal wage contracts is u-shaped in the degree of centralization, with intermediate bargaining systems yielding contracts of shorter duration and...

Membership in a monetary union reduces the possibilities to counteract fluctuations in productivity by monetary policy. One condition for entrance not to lead to adverse unemployment performance is that wages are flexible with respect to productivity. Here I show that, depending on workers’...