. In the preparation of the auction, two designs involving each a hybrid of an English and a sealed-bid auction were … also compare the results to those with a pure English auction. Both hybrids are similar in efficiency, revenue differences … disappear as bidders get experienced. Compared to the discriminatory format, the pure English auction gives new entrants better …

We examine bidding behaviour of individuals and teams in an experimental auction resembling UMTS-license auctions. Even … relied on individual bidders. Our results show that teams stay on average longer in an (ascending sealed-bid English) auction … winner's curse. The auction's efficiency is nevertheless higher with teams, since the bidders with the highest valuation are …

as equilibrium phenomena of the ascending auction. In a series of experiments, we compare its performance to that of the … discriminatory auction. Strategic demand reduction is quite prevalent in the ascending auction even when entry by the newcomer … imposes a (large) negative externality on incumbents. As a result, the ascending auction performs worse than the …