Ortega-Argilés, Raquel; Piva, Mariacristina; … - Institute for the Study of Labor (IZA) - 2011
The purpose of this study is to investigate the relationship between a firm's R&D expenditures considered as an investment in knowledge, and its productivity, looking at sectoral peculiarities which may emerge; to this end, we use a large unique longitudinal database consisting of 1,809 US and...