We analyze the optimal reserve price in a second price auction when there are N types of bidders whose valuations are drawn from different distribution functions. The seller cannot determine the specific type of each bidder. First, we show that the number of bidders affects the reserve price....

The Turkish government wanted to sell two GSM (cell-phone) licenses in 2000 with sequential auctions. The winning bid in the first auction would be the reserve price for the second auction. This auction design gives incentives to ``predatory bidding." We show how a strategic firm will bid too...

In a second-price sequential auction with both global and local bidders, we explore the optimal order for selling heterogeneous goods to maximize efficiency or revenue. Our findings indicate that selling the good with very small variance (almost-zero variance) first yields higher revenue, while...