The purpose of this paper is to explore the correlation between the technological proximity measures in three areas: USA, Japan and Europe. In each economic area, we use information from two international patent systems to construct the technological proximity for 240 international firms. In...

The aim of this paper is to analyse the pattern of knowledge flows as evidenced by the patent citations in three economic areas: USA, Japan and Europe. In each economic area, we exploit information from two international patent offices data, the United States Patent and Trademarks Office data...

In this paper we investigate the effects of technological and geographical proximity on the knowledge flows in three economic areas: USA, Japan and Europe. In each economic area, we exploit information from two international patent offices data, the United States Patent and Trademarks Office...