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

This essay first reviews what Nelson and Winter were trying to accomplish when they put forward An Evolutionary Theory of Economic Change (Belknap Press, Harvard, 1982). It then does a fast-forward to controversies and contributions in the recent past, and speculates on where the intellectual...

The paper analyses the properties and outcomes of competitive dynamics in industries characterized by heterogeneous firms and continuing stochastic entry. A formal analytical apparatus is developed, able to derive some generic properties of the underlying competition process combining persistent...