Lee, Chang-Yang; Noh, Jaesun - In: Economics of Innovation and New Technology 18 (2009) 4, pp. 353-368
closely related to the overall R&D intensity of the industry. Unlike the well-studied relationship between sales concentration …, or market structure, and industry R&D intensity, the relationship between the concentration of R&D in an industry and its … overall R&D intensity has not been explored before. We present a simple model of industry R&D intensity, in which R …