We address the issue of bidder ring formation in single and multi-unit Vickrey auctions. We address this issue in a …

behavior in an environment with repeated auctions, pivotal suppliers and inelastic demand. The price increase can be traced … show that pay-as-bid auctions do not necessarily reduce incentives for strategic capacity withholding and collusive …

The theoretical literature on collusion in auctions suggests that the first-price mechanism can deter the formation of … collusion in first-price and second-price auctions. Furthermore, failed collusion attempts distort the bidding behavior in the … neglects the effects of failed collusion attempts. In such contingencies, information revealed in the negotiation process is …

We use data on sequential water auctions to estimate demand when units are complements or substitutes. A sequential …

decreases with repetition. Theory predicts that repetition facilitates collusion among sellers in procurement auctions, while … activities. We use an economic experiment to examine whether the market efficiency of conservation auctions increases or … effects, the latter has the upper hand; average bids decrease monotonically over the consecutive auctions. Since repetition …

characteristic function, derived from the partition form game, is not empty. As an application, we study collusion in auctions in …

The theoretical literature on collusion in auctions suggests that the first-price mechanism can deter the formation of … collusion in first-price and second-price auctions. Furthermore, failed collusion attempts distort the bidding behavior in the … neglects the effects of failed collusion attempts. In such contingencies, information revealed in the negotiation process is …

We study first- and second-price private value auctions with sequential bidding where second movers may discover the … usual revenue dominance of first-price over second-price auctions. With a high probability of a leak, second-price auctions …