Firm Location, Corporate Structure, R&D Investment, Innovation and Productivity
This study elucidates how firm location and corporate structure influence R&D-intensity, external collaboration on innovation, return on R&D and economic performance. The study, based on 1,907 firm level observations, essentially compare a functional region with four other regional areas in Sweden.
Link
http://www.infra.kth.se/cesis/documents/WP31.pdf