This paper examines the optimal mechanism design problem when buyers have uncertain valuations. This uncertainty can only be resolved after the actual transactions take place and upon incurring significant post-purchase cost. We focus on two different settings regarding how the seller values a...

This paper examines the willingness of private financial decision makers to pay for socially responsible investments (SRI). Our empirical analysis is based on unique data from a representative computer-based survey in Germany that especially comprised two stated choice experiments. The...

What is the best way to reward innovation? While prizes avoid deadweight loss, intellectual property selects high social surplus projects. Optimal innovation policy thus trades off the ex-ante screening benefit and the ex-post distortion. It solves a multidimensional screening problem in the...