The Intercontinental Exchange's current attempted acquisition of NYSE-Euronext is the third takeover proposal in as many years. In this article the two previous attempts are reviewed and lessons are drawn from an antitrust and competition policy perspective concerning the evolving competitive...

In an industry where regulated firms interact with unregulated suppliers, we investigate the welfare effects of a merger between regulated firms when cost synergies are uncertain before the merger and their realization becomes private information of the merged firm. The optimal merger policy...