In response to antitrust cases challenging the exclusionary conduct of dominant firms, some dominant firms offer an “appropriability defense.” This defense is the claim that prohibiting the challenged conduct would lessen the dominant firm’s return to investment in research and development...

The relationship between competition and innovation is the subject of a familiar controversy in economics, between the Schumpeterian view that monopolies favor innovation and the opposite view, often associated with Kenneth Arrow, that competition favors innovation. Taking their cue from this...

This paper evaluates the innovation consequences of antitrust enforcement against the exclusionary conduct of dominant firms through a Nash equilibrium model of research and development (R&D) competition to create new products. In the two-firm model, whether one firm regards the other firm’s...

The relationship between competition and innovation is the subject of a familiar controversy in economics, between the Schumpeterian view that monopolies favor innovation and the opposite view, often associated with Kenneth Arrow, that competition favors innovation. Taking their cue from this...