We describe a simple initial indicator of whether a proposed merger between rivals in a
differentiated product industry is likely to raise prices through unilateral effects. Our …

The green antitrust movement aims to increase sustainability efforts by allowing restrictions
of competition. Yet the economic evidence so far points to more, not less, competition as the …

Using an aggregative games approach, we analyze horizontal mergers in a model of
multiproduct-firm price competition with nested CES or nested logit demands. We show that …

Recent years have witnessed an increased interest, by competition agencies, in assessing
the competitive effects of partial acquisitions. We propose a generalization of the two most …

Recent years have witnessed an increased interest, by competition agencies, in assessing
the competitive effects of partial acquisitions. We propose an empirical structural …

Law and Economics in European Merger Control provides a thorough introduction to the
economic theory underlying the regulation of mergers. The central economic concepts of …

Worldwide, the overwhelming majority of large horizontal mergers are cleared by antitrust
authorities unconditionally. The presumption seems to be that efficiencies from these …

In this article, we examine one mechanism through which enforcement innovation occurs
and is passed into practice at the US antitrust agencies. Our main thesis is that agency …

We analyze the bias from predicting merger effects using structural models of price
competition when firms actually compete using both price and promotion. We extend the …

We find that hotel mergers increase occupancy. In some specifications, price also rises.
Because these effects occur only in markets with high capacity utilization and high …