"We develop a framework that may be used to determine the degree to which a school choice program may harm public school stayers by luring the best students to other schools. This framework results in a simple formula showing that the "cream-skimming" effect is increasing in the degree of...

We develop a framework that may be used to determine the degree to which a school choice program may harm public school stayers by luring the best students to other schools. This framework results in a simple formula showing that the "cream-skimming" effect is increasing in the degree of...

The popular Internet marketplace, eBay, introduced the Best Offer format in 2005. This paper studies buyer's behavior under such a mechanism. We characterize this mechanism as a sequential-move game between the seller of an item and its buyers. Our model suggests that a rational buyer's offer...

We empirically investigate the factors which influence a buyer's behavior in making an offer to purchase a car listed on eBay Motors using the “Best Offer” option. Our results indicate that a buyer's first offer is affected by observed information, including the number of buyers making an...

I model the environment of Internet auction sites, such as eBay, as sequential ascending auctions. New buyers may enter the auction site after some of the auctions have completed and only bid for the remaining auctions. I characterize a perfect Bayesian equilibrium in the dynamic game. Because...