dirty innovation and production; (ii) optimal policy involves both .carbon taxes. and research subsidies, so that excessive … the switch to clean innovation under laissez-faire when the two inputs are substitutes. Under reasonable parameter values …

external knowledge acquisition are complementary innovation activities, but that the degree of complementarity is sensitive to … existence of complementarity. We use our empirical methodology to analyze complementarity between innovation activities …: internal research and development (R& D) and external knowledge acquisition. Our results suggest that internal R& D and …

Successful innovation depends on the development and integration of new knowledge in the innovation process. In order … to innovate successfully, the firm will combine different innovation activities. In addition to doing own research and … development, firms typically are engaged in the acquisition of knowledge on the technology market and cooperate actively in R …

innovation activities. The selection of high-skill managers is more important for innovation activities. As the economy … investments, but little selection. Closer to the world technology frontier, there is a switch to an innovation-based strategy with …

innovation and imitation. We develop a theoretical model showing that skilled labour has a higher growth-enhancing effect closer … to the technological frontier under the reasonable assumption that innovation is a relatively more skill intensive …