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 to the 'standard' measure proposed by Ja e: First, it...

This paper analyzes the relationship between competition and R&D cooperation with universities and competitors. Our simple model predicts that more competitors reduce the incentives for horizontal cooperation as it diminishes the gains from "collusion". Assuming that the value of synergies and...

Based on a representative firm sample for Switzerland we empirically investigated strategic approaches for knowledge and technology transfer (KTT) activities between business firms and public research organisations. Based on cluster analysis of 19 different forms for KTT, three types of KTT...

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...