Using online auction data, we address the endogeneity involved in estimating the eff ect of the number of bidders on …

advertise with a novel model of demand in an auction market environment. Because we explicitly model the process of arrival of …

In eBay s Buy-it-Now auctions sellers can post prices at which buyers can purchase a good prior to an auction. We study … predictions of a model by combining the real auction environment (eBay auction platform and eBay traders) with the techniques of … lab experiments. We observe that the eBay auction format supports deviations from truthful bidding leading to auction …

, buy-it-now auction and regular auction, we empirically investigate how the sellers choose the listing format and its … auction outcomes are related to this behavior. Based on the estimated model, we then conduct a counterfactual analysis. We …

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 … bidding strategies are different. A lower-valuation buyer may win an auction while a higher-valuation buyer restrains from …

grading items through AFA significantly increases items auction value when traded on eBay and the confidence of potential … auction prices …

auction. We analyse experimentally how eBay sellers set BIN prices and whether they benefit from offering them. Using the real … eBay environment in the laboratory, we find that the eBay auction format supports deviations from truthful bidding leading … to auction prices substantially below those expected in second-price auctions. Our results reveal that the observed price …

does not effect their price decisions. Compared to an eBay auction without a BIN-price, the BIN-auction is more efficient …

number of participants at each auction is observed. From this bound, however, we establish nonparametric identification of … the arrival process of bidders-the process that matches potential buyers to auction listings - which then allows us to …