Since the famous Bosman ruling by the European Court of Justice in 1995 transfer fees for football players after moving … unrestricted market free migration from football players will be Pareto efficient under special circumstances only. This paper … shows that transfer fees can correct inefficient migration flows from small to large football leagues. Home-grown rules that …

that hardly explains the many features of an insurance contract. We extend this setup to include the situation that the … costlessly observable, then it should be included in the contract to improve the risk sharing-incentive trade-off under moral … resulting incompleteness of the contract opens the door to controversies and disputes that may lead to judicial procedures. We …

Neither marriage nor a legally enforceable contract serves any useful purpose if the parties have access to a perfect … enforceable contract. Separate-property marriage may reduce and community-property marriage actually eliminate inefficiency, but …

nature of investment, writing a simple fixed-price contract can be valuable under repeated transactions: There is a range of … parameter values in which a higher investment can be implemented only if a formal price contract is written and combined with a … relational contract. We also show that there are cases in which not writing a formal contract but entirely relying on a …