inefficiency. We analyze an exogenous linking mechanism suggested by Jackson and Sonnenschein (2007) as well as repeated … mechanism captures nearly all achievable efficiency gains, whereas repeated interaction leads to significant gains in truthful …

's problem is to select a subset of maximal quality. We propose a buying mechanism which can be viewed as a game theoretic … performance of our mechanism. Finally, we discuss how the mechanism can be applied to award R&D subsidies. …