We report a policy experiment that illustrates a potential problem of using historical pass-through rates as a means of predicting the competitive consequences of projected firm-specific cost savings in antitrust contexts, particularly in merger analysis. The effects of cost savings on welfare...

In this paper we report the findings of an experiment that examines the effects of automated mitigation procedures (AMP) on capacity investment prices of suppliers in a wholesale electricity market. Specifically, in a 2 x 2 design we examine the effects of strong and weak market power incentives...

Even when markets seem to alternate between collusive and non-collusive phases, the price differences are difficult to interpret since a breakdown in collusion may be caused by a demand decrease that would have reduced prices in any case. This makes the laboratory an ideal setting to study...