colluding agents can be used to reduce the revenue losses from collusion. In a class of environments we show that the principal … optimal mechanisms can be implemented as uniquely collusion-proof mechanisms. …

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 …

This paper explores the impact of debarment as a deterrent of collusion in first-price procurement auctions. We develop … both reduce collusion and bids. The deterrent effect of debarment increases in its length. However, the debarment of … reduction resulting from debarment may trigger tacit collusion. …

behavior in an environment with repeated auctions, pivotal suppliers and inelastic demand. The price increase can be traced … back to an abuse of the auction’s pay-as-bid mechanism by the two largest firms. In contrast to theoretical findings, we … 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 study the relationship between collusion and corruption in a stylized model of repeated procurement where the cost … suppliers alleviates free-riding in reporting. However, it also facilitates collusion in bidding by increasing the value of the … collusive rent. In turn, bidding collusion facilitates cooperation in reporting by increasing the value of having honest …

-shot competitive interactions, like Bertrand oligopolies and first-price auctions, where no collusion would be supportable otherwise … or at best cancel sanctions for price-fixing firms that self-report -- may make collusion enforceable even in one …

the link between overt collusion and price dispersion. Formal theories and observation of cartel behavior suggest that …