The market for Internet search is not only economically and socially important, it is also highly concentrated. Is this a problem? We study the question whether 'competition is only a free click away'. We argue that the market for Internet search is characterized by indirect network...

Should mergers among nonprofit organizations be assessed differently than mergers among for-profit firms? A recent debate in law and economics, boosted by apparently one-sided court decisions, has produced the result that promoting competition is socially valuable regardless of the particular...

The process of innovation is driven by two main factors: new inventions and institutions supporting the transformation of inventions into marketable innovations. This paper proposes a new institution, called a semi-public competition, that has been neglected by the economic literature but exists...

We examine the interrelation between interconnection and competition in the Internet backbone market. Networks that are asymmetric in size choose among different interconnection regimes and compete for end-users. We show that a direct interconnection regime, peering, softens competition as...

Should mergers among nonprofi t organizations be assessed diff erently than mergers among for-profit firms? A recent debate in law and economics, boosted by apparently one-sided court decisions, has produced the result that promoting competition is socially valuable regardless of the particular...