Reverse auctions are considered a fast and inexpensive price discovery tool to award procurement contracts and it is often desirable to award contracts to more than one supplier. We propose a new procurement procedure that is based on a reverse auction. Shares are allocated endogenously,...

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...

Despite the popularity of auction theoretical thinking, it appears that no one has presented an elementary equilibrium analysis of the complete information first-price sealed-bid auction mechanism when the bidding space has a finite grid. This paper aims to remedy that omission. We show that...

We study the effects of affirmative action through endogenous set-asides. We propose a share auction for dual sourcing in which more intensive affirmative action strengthens the favoured provider. This has the potential to level the playing field and induce more competitive procurement overall....