Innovation and industrial evolution -- History-friendly models: methods and fundamentals -- The US computer industry and the dynamics of concentration -- Vertical integration and dis-integration in the computer industry -- The pharmaceutical industry and the role of demand -- Reprise and conclusions

In this article, we present a history-friendly model of the changing vertical scope of computer firms during the evolution of the computer and semiconductor industries. The model is ldquo;history-friendly,rdquo; in that it attempts at replicating some basic, stylized qualitative features of the...