This paper examines the influence of accessibility to R&D on the regional diversity in Swedish export. A theoretical model with fixed R&D cost predicts that spatial knowledge spillovers generates external economies of scale in R&D activities and these external effects increase the innovative...

This paper presents a comprehensive description and analysis of the international trading activities of firms based on novel detailed Swedish data. As a small open economy with a limited domestic market, Sweden constitutes an interesting contrast to existing evidence. We show that much of the...