The Microsoft-Google Antitrust Wars and Public Choice: There is Too An Argument Against Rival Involvement in Antitrust Enforcement

How should an economist interpret the fact that Microsoft appears to be “behind” recent enforcement actions against Google in the United States and, especially, in Europe?

“With skepticism!”  Is the answer I suspect many readers will offer upon first glance.  There is a long public choice literature, and long history in antitrust itself, that suggests that one should be weary of private enforcement of the antitrust laws against rivals both in the form of litigation and attempts to delegate the enforcement effort (and costs) to the government.

Read the full piece here.