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...

The geography of innovation traditionally concentrates on localised knowledge spillovers, yet neglects collaboration networks as a means to access knowledge outside the region. Using publication and patent data for 1316 regions in the EU27 plus Norway and Switzerland, we find that both localised...