This paper aims at investigating the impacts of introducing cost asymmetry in horizontal merger analysis. In the absence of efficiency gains, previous literature states the negative competitive effects of a merger between symmetric firms. We go beyond the literature and show that the result is...

We study horizontal mergers on two-sided markets between horizontally differentiated platforms. We provide a theoretical analysis of the merger's price effect based on the amount of cost savings it generates, the behavior of outsider platforms, and the size of cross-group network effects. We...