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 …

procurement auction formats can take advantage of bidders' willingness-to-pay-willingness-to-accept disparity. In a laboratory … experiment, we compare four different second-price auction formats for procuring a good. The four formats are a sealed …-bid auction and three di erent descending-clock auctions. We assume that a bidder's willingness-to-accept exceeds his willingness …

to which they compete against each other (henceforth referred to as head-to-head competition) and their bidding behavior …. I also quantify the impact that coordinating head-to-head competition has on procurement costs. My focus is on the two … cartel. I find that after this date, the two suspected firms i) were more likely to bid in the same auction and ii) submitted …

procedure: The procurer awards the contract via a price-only auction and cannot commit not to renegotiate. If cost differences … price exceeds the initial price. Moreover, the procurer cannot benefit from using a multi-dimensional auction, i.e., under … the optimal scoring auction each supplier proposes the standard design. …

on actual competition and contract outcomes are ambiguous. We pool a decade of US federal procurement data to shed light …

In a lab experiment, we analyze the benefits of increasing competition on auction platforms hosting multiple … auctioneers of a homogeneous good. We find that increasing competition by merging separated individual auctions increases market …

consumer surplus. We relate our findings to competition cases in digital markets. …