This paper provides a perspective from evolutionary economic theory on recent growth differences in the OECD area. The empirical analysis contained in the paper offers a number of findings. First, the United States seems to be diverging from the other OECD countries, while the latter are still,...

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...