This paper studies procurement contracts where a buyer can either divide full production among multiple suppliers or award the entire production to a single supplier. We examine the effect of using multiple suppliers on investment incentives. In a framework of generalized second-price auctions...

This paper develops a signaling theory where brain drain as well as the opposite of brain drain, a phenomenon we call “lame-drain” can result. In particular, we assume there are three types of agents according to their intrinsic abilities; education (with endogenous intensity) consists of...