We consider the problem faced by a procurement agency that runs a mechanism for constructing an assortment of … differentiated products with posted prices, from which heterogeneous consumers buy their most preferred alternative. Procurement … take this form. When choosing the assortment, the procurement agency must optimize the tradeoff between offering a richer …

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 …

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 …

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 …

For a repeated procurement problem, we compare two stylized negotiating cultures which differ in how the buyer uses an … entrant to exert pressure on the incumbent resembling U.S. style and Japanese style procurement. In each period, the suppliers … are privately informed about their production cost, but only the incumbent can influence the buyer s procurement mechanism …