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 … while both "buy" and "cooperate" have a positive effect on innovation, there is little statistical evidence that using them …

innovation performance, addressing endogeneity by exploiting within firm variation as well as variation in labor supply across … regions. We find that vertical educational diversity increases the extensive margin of R&D and product innovation …, particularly new product innovation. However, the relationship with process innovation, R&D intensity, and product innovation …