We analyze the welfare consequences of an increase in the commissions charged by the organizer of an auction … of tax incidence in consumer economics. We argue, however, that auction markets deserve a separate treatment. Indeed we …

paid by the winner. We study the impact of these price-externalities on the first-price auction and the second … independently from the identity of the winner. We prove that the first-price auction is not affected by this kind of price-externalities … by the presence of such price-externalities. In any case, in comparison with the first-price auction, the second …

-unit, multi-bid uniform auction, modelled as a Bayesian game of incomplete information. At the auction each firm anticipates his … as their bidding strategies and it precludes the auction from generating a cost-effective allocation of permits, as it … would occur in simpler auction models. Auctioning tends to be more cost-effective than grandfathering when the firms' costs …

ensuing auction, leading to loss of efficiency and eliminating the revenue dominance typically observed in firstprice auctions. …