Internationalisation plays a key role in the strategy of many firms, with one of the key benefits being improved performance. Since the early 1990s, internationalisation has played a central role within the mobile telecommunications industry, giving rise to multinational enterprises operating in...

This paper aims to assess the impact of both geographic and industrial diversification of economic activities on the productivity performance of large European R&D Multinational Enterprises (MNEs). Based on the worldwide subsidiaries of these firms, we measure the performance of the firms...