Arvanitis, Spyros; Lokshin, Boris; Mohnen, Pierre; … - United Nations University-Maastricht Economic Research … - 2013
There is growing evidence that firms increasingly adopt open innovation practices. In this paper we investigate the … impact of two such external knowledge acquisition strategies, 'buy' and 'cooperate', on firm's product innovation performance …. Taking a direct (productivity) approach, we test for complementarity effects in the simultaneous use of the two strategies …