This paper studies multi-unit ascending (English) auctions with a buyer’s option. The buyer’s option gives the winner of an auction the right to purchase any number of units at the winning price. We develop a theoretical model and derive the optimal strategies for the bidders. The model...

This paper reports the results from an experiment on two-unit sequential auctions with and without a buyer’s option (which gives the winner of the first auction the right to buy the second unit at the winning price). The demand for the two items is either decreasing, flat, or increasing. The 4...