The micro- and macroeconomic effects of the declining power of trade unions have been hotly debated by economists and policymakers. Nevertheless, the empirical evidence shows that the impact of the decline on economic aggregates and firm performance is not an overwhelming cause for concern....

This paper proposes a new approach to evaluate the macroeconomic effects of the Hartz IV reform in Germany, which reduced the generosity of long-term unemployment benefits. We use a model with different unemployment durations, where the reform initiates both a partial effect and an equilibrium...