Along the standard measures of price dispersion, this paper proposes a new method, the residual variance model, to … examine the levels of price and price variation within and across 10 kinds of physically identical products on eBay UK. The … results find that the price levels and price dispersions on eBay are lower than the ones reported in the prior literature …

In eBay s Buy-it-Now auctions sellers can post prices at which buyers can purchase a good prior to an auction. We study … prices below those expected in second price auctions. Our proposed extension of the model results not only in a better fit of … predictions of a model by combining the real auction environment (eBay auction platform and eBay traders) with the techniques of …