Decisions of national competition authorities have important effects on other jurisdictions. We provide a framework to quantify the domestic and cross-border effects of mergers, and to draw conclusions for the coordination of national merger policies. We develop a two-country model with many...

In the emerging market of online video services, new media entrants and traditional gatekeepers are making efforts to reinvent the dominant modes of video supply and consumption while fighting for market power and customer lock-in. This article studies, through a number of U.S. and European...