As bidders reach capacity throughout a sequential common value auction, theory predicts they will account for the option value of purchasing later units against fewer rivals. Mergers, joint purchasing arrangements, or a common bidding agent may result in a capacity advantaged bidder. Using...

At livestock auctions, the same purchasing agent can represent more than one processor. Repeated multiple-unit English auctions are created in a laboratory to measure the impact of shared agents on trade prices under alternative treatments with six, and as few as two, agents representing six...