This paper assesses the merits of countercyclical bank balance sheet regulation for the stabilization of financial and economic cycles and examines its interaction with monetary policy. The framework used is a dynamic stochastic general equilibrium model with banks and bank capital, in which...

This paper studies the optimal unemployment insurance for older workers in a repeated principal-agent model, where the search intensity of risk-averse workers (the agents) is not observed by the risk-neutral insurance agency (the principal). When unemployment benefits are the only available...

We analyze the legal reform concerning employees' inventions in Germany. Using a simple principal-agent model, we derive a unique efficient payment scheme: a bonus which is contingent on the project value. We demonstrate that the old German law creates inefficient incentives. However, the new...

This paper is a first attempt to connect the heterogeneity in bank efficiency with lending fluctuations and allocation efficiency: there is a trade-off between the two in the presence of heterogeneity in bank monitoring efficiency. The mechanism at hand is twofold. (a) First the rent extracted...