We investigate how variety affects the innovation output of a region. Borrowing arguments from theories of recombinant … innovation, we expect that related variety will enhance innovation as related technologies are more easily recombined into a new … technology. However, we also expect that unrelated variety enhances technological breakthroughs, since radical innovation often …

impact on the U.S. innovation system, catalyzing technology clusters around the country with accompanying increases in high …. In the aggregate, wartime R&D permanently changed the trajectory of U.S. innovation in the direction of funded …

innovation. in the sense that research can be directed to either clean or dirty technologies. If dirty technologies are more … technologies. Carbon taxes and research subsidies may nonetheless encourage production and innovation in clean technologies, though …

-tech countries - such as the U.S. or Germany. Large CSP potential is not a sufficient condition for innovation, only developed … group of relevant innovators. -- Innovation ; patent data ; solar technologies ; climate change …. Though concentrating solar power is receiving growing interest, innovation studies so far have explored innovative activity …

We explore the tail of patented invention value distributions by using value estimates obtained directly from patent …

. Importantly, the theoretical model captures the strategic behavior between competing firms, its effect on their innovation …