This paper studies the effects of a specific affirmative action policy in complete information all-pay auctions when players differ in ability. We call this policy an extra prize. The contest organiser splits the prize of the competition into a main prize and an extra prize. Extra prizes differ...

We propose a new procurement procedure which allocates shares of the total amount to be procured depending on the bids of suppliers. Among the properties of the mechanism are:(i) Bidders have an incentive to participate in the procurement procedure, as equilibrium payoffs are strictly...

This paper analyzes the effects of industrial concentration on bidding behaviour and hence, on the seller´s expected proceeds. These effects are studied under the CIPI model, an affiliated value set-up that nests a variety of valuation and information environments. We formally decompose the...