When procurement contracts are awarded through competitive tendering participating firms commit ex ante to fulfil a set …. We consider a stylized repeated procurement framework in which a buyer awards a contract over time to two firms with …

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, depending on the suppliers ́bids. The procedure obtains dual sourcing by …