Using innovation survey data on a sample of UK manufacturing firms, Laursen and Salter 2006 documented a non-monotonous relationship between external search strategies and firm-level innovative performance. We find partially similar results in a combined sample of Nigerian manufacturing and...

Using Dutch data we empirically investigate how financing and innovation vary across firm characteristics. We find that when firms face financial constraints, debt financing and innovation choices are not independent of firm characteristics, and RD slows down. In the absence of financial...