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...

The current COVID-19 pandemic has highlighted the need to rely on a diverse pool of suppliers, besides achieving cost effectiveness. Common wisdom, however, holds that these two aims are in conflict. We propose complementing a share auction for dual sourcing with affirmative action to create an...