a simple design initially enhances competition in the auction. Moreover, the procurer cannot benefit from using a multi …-dimensional auction, as the optimal scoring rule depends only on the price. …

effort and private information. We compare two procurement mechanisms where potential sellers first bid in an auction for …-price auction. We characterize Bayesian Nash equilibria such that both mechanisms are payoff-equivalent and induce the same efforts … and innovations. In these equilibria, signaling in the entry auction does not occur since contestants play a simple …

settings in which the class of optimal mechanisms has a deferred acceptance auction representation which allows an … implementation with a descending-clock auction. Only in the case of symmetric projects do price clocks descend synchronously such …

strategies. We derive the class of optimal mechanisms and show that it has a deferred acceptance auction representation. This … feature guarantees an implementation with a descending clock auction. Only in the case of symmetric projects do price clocks …