This brief essay introduces a special issue of the Journal of Industrial Economics devoted to the recent burst of empirical work in industrial organization. Trends in empirical research in this field are discussed, emphasizing the ways in which recent work builds upon and departs from earlier...

The authors examine thirty years of computer industry market structure. Their analysis explains the persistence of dominant computer firms, their recent decline, and the changing success of competitive entry. It emphasizes the importance of technological competition between computer 'platforms,'...

Movements in total quantity and in quality-adjusted price suggest a supply-side shock in the American automobile market in 1955. This paper tests the hypothesis that the shock was a transitory change in industry conduct, a price war. The key ingredients of the test are alternative equilibrium...