We analyze a drastic price increase in the German auction market for reserve power, which did not appear to be driven … back to an abuse of the auction's pay-as-bid mechanism by the two largest firms. In contrast to theoretical findings, we …

the importance of two aspects of cartel organization, coordination and entry deterrence, for collusive pricing. We find …

We contribute to the literature on the optimal design of auction mechanisms for the procurement of nature conservation …

cartel. I find that after this date, the two suspected firms i) were more likely to bid in the same auction and ii) submitted … significantly lower bids when they competed in the same auction. A structural model of entry and bidding shows that if the firms had …