Literature on the link between market structure and industrial innovation is bunny spa headband surveyed.Part II focuses on the so-called Schumpeterian hypothesis that large firm size, diversification or monopoly power is conducive to innovation and technical progress.Both empirical studies and theoretical developments are reviewed; for the former, the difficulties are catalogued and for the latter, a critique of recent trends is developed.The effect of innovation on market structure is taken up in Part IV, while supercharger for dodge durango Part V portrays the merits of the new approach of Nelson and Winter in their An Evolutionary Theory of Economic Change.