An auction is combinatorial when bidders can place bids on combinations of items, called “packages,” rather than just individual items. Computer scientists are interested in combinatorial auctions because they are concerned with the expressiveness of bidding languages, as well as the...

In May 2008, Ofcom’s L-band auction concluded. This was Ofcom’s second combinatorial clock auction. The auction used an innovative format intended to encourage an efficient assignment of the 17 lots. Eight bidders competed for the lots. In sharp contrast to the first combinatorial clock...

We analyze a discrete clock auction with lowest-accepted bid (LAB) pricing and provisional winners, as adopted by India for its 3G spectrum auction. In a perfect Bayesian equilibrium, the provisional winner shades her bid while provisional losers do not. Such differential shading leads to...

We comment on the service and auction rules discussed in the Report and Order and Further Notice of Proposed Rule Making, FCC 07-72, 27 April 2007. We recommend that the FCC designate one license for a wholesale operation that provides open access nationwide on nondiscriminatory terms. This is...

On Monday, 23 March 2009, Treasury Secretary Geithner presented the Public-Private Investment Program as a key instrument to resolve the financial crisis (www.financialstability.gov). The Treasury’s description still leaves many issues unanswered. We flesh out the auction design for legacy...

The Treasury proposes to invest $700 billion in mortgage-related securities to resolve the financial crisis, using market mechanisms such as reverse auctions to determine prices. A well-designed auction process can indeed be an effective tool for acquiring distressed assets at minimum cost to...

We summarize the results of a project that was motivated by the expiration of the “High Density Rule,” which defined the slot controls employed at New York’s LaGuardia Airport for more than 30 years. The scope of the project included the analysis of several administrative measures,...