German (and Austrian) UMTS auction. In particular, we discuss in detail the exposure problem that caused firms in Germany to …We briefly survey several insights about value and revenue maximization in multi-object auctions and apply them to the …

The third generation UMTS auction in Germany raised an enormous amount of revenue, and at the same time achieved a more … competitive market structure than other UMTS auctions in Europe. The present paper explains the design of that auction, and … presents a game theoretic explanation of observed events during the crucial phase of that auction, which have puzzled several …

numerical benchmark to study practical and simple buying procedures such as scoring auctions and negotiation. Specifically, we … scoring auctions are able to extract a good proportion of the surplus from being a strategic buyer, that is, the difference … between the expected revenue from the optimal mechanism and the efficient auction. Sequential procedures (to which many …