We introduce a racing model with multiple product generations, product innovation, spin-outs, and licensing. Industry conditions and innovation characteristics affect who wins the race and who markets the resulting product. Small firms market their innovations when they pioneer a new generation...

We present evidence that event studies can help antitrust agencies forecast impacts of mergers on innovation. In large pharmaceutical mergers, cumulative abnormal returns on portfolios of rivals predict post-merger changes in the combined firm's R&D intensity. More favorable impacts on rivals...