In second price internet auctions with a fixed end time, such as those on eBay, many bidders snipe , i.e., they submit their bids in the closing minutes or seconds of an auction. Late bids of this sort are much less frequent in auctions that are automatically extended if a bid is submitted very...

Relying on a unique and arguably representative sample of transaction e-commerce companies, this paper takes a closer look at whether and how companies could be profitable on-line. This analysis clearly demonstrates that a non-trivial set of winners are emerging, which combine both strong...

In second price internet auctions with a fixed end time, such as those on eBay, many bidders 'snipe', i.e., they submit their bids in the closing minutes or seconds of an auction. Late bids of this sort are much less frequent in auctions that are automatically extended if a bid is submitted very...