Economics has much to do with incentives--not least, incentives to work hard, to produce quality products, to study, to invest, and to save. Although Adam Smith amply confirmed this more than two hundred years ago in his analysis of sharecropping contracts, only in recent decades has a theory...

[This item is a preserved copy. To view the original, visit http://econtheory.org/] The provision of public goods under asymmetric information has most oftenbeen viewed as a mechanism design problem under the aegis of an uninformedmediator. This paper focuses on institutional contexts without...