In a general setting of private information, the possibility (impossibility) theorem is said to be valid, if a balanced and ex post efficient mechanism exists (does not exist) which agents voluntarily participate at. Possibility and impossibility results are called robust if they hold for all...

So far, the existing literature on the hold-up problem with renegotiation has imposed assumptions such that the post-renegotiation payoffs are absolutely continuous functions. Since payoffs may fail to be differentiable at the investment profile to be sustained, first order conditions for...

While various liability rules of tort law provide efficient incentives to invest, breach remedies of contract law are claimed to be distortive. Since, at least in Germany, obligations law provides general rules for both contractual and tort relationships such discrepancy seems puzzling. The...