We propose a new patent-based measure of knowledge spillovers that calculates technological proximity based on firms … that were identified via patent backward citations links. We argue that this measure has a couple of advantages as compared … 'relevant' firms. Our empirical results indeed show that the measure performs better than the standard measure in an innovation …

analysis to decompose patent data in different digital technologies for various countries into global and country …

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 …