a large amount of heterogeneity in R&D intensities among firms in the same sector, and that this heterogeneity persists … over time. Statistical tests of convergence show that the variation in R&D intensities does not decrease over time (i.e. no … ơ-convergence), although firms with an R&D intensity below the industry average do seem to catch up with the leaders (i …

This book examines in detail the features and dynamics of sectoral systems of innovation and production in developing … is necessary if innovation is to be encouraged and growth sustained …