In the ascending-price auctions with Yahoo!-type buy-it-now (BIN), we characterize and derive the closed-form solution for the optimal bidding strategy of the bidder and the optimal BIN price of the seller when they are both risk-averse. The seller is shown to be strictly better o with the BIN...

The paper empirically studies why the sellers of identical commodities adopt dier- ent auction formats in the online auction, and the consequences thereof. We postulate that the sellers adopt dierent auction formats because of the dierences in their ex- perience and the number of items they...