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 … show that pay-as-bid auctions do not necessarily reduce incentives for strategic capacity withholding and collusive …

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 … show that pay-as-bid auctions do not necessarily reduce incentives for strategic capacity withholding and collusive …

A number of recent papers have proposed that a pattern of isolated winning bids may be associated with collusion. In … contrast, others have suggested that bid clustering, especially of the two lowest bids, is indicative of collusion. In this …, whose asphalt industry has not been the subject of collusion allegations. Our findings provide causal evidence that the …

investigation into collusion and corruption in the Quebec construction industry launched in October 2009 to capture the end of this … 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 …

This paper studies the effect of forward contracts on the stability of collusion among firms, competing in supply … functions on the spot market. A forward market can increase the range of discount factors which allow to sustain collusion. On … the contrary, collusion is destabilised when a potential deviator sells a significant amount forward. Results do not …

This paper discusses a capacity-based redispatch mechanism in which awarded market participants are compensated for … a capacity-based redispatch mechanism. Our analysis reveals that despite its intention, the capacity-based redispatch is …

In electricity day-ahead markets organized as uniform price auction, a small reduction in supply in times of high … demand can cause substantial increases in price. We use a unique data set of failures of generation capacity in the German … between strategic and non-strategic failures, we find a positive impact of prices on non-usable marginal generation capacity …