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 …

How does firm entry affect innovation incentives and productivity growth in incumbent firms? Micro-data suggests that … sectors which differ by their distance to the technological frontier. We show that entry threat spurs innovation incentives in … technologically advanced sectors - successful innovation allows incumbents to prevent entry. In laggard sectors it discourages …

“cutthroat”capitalism that generates greater inequality and more innovation and will become the technology leaders, while others …

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 …

environmental regulations can spur more rapid innovation. I present a general framework for the analysis of these questions. I …

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 …