Medda, Giuseppe; Piga, Claudio A.; Siegel, Donald S. - 2003
between R&D expenditures and productivity growth. The analysis considers the different contributions of various forms of R … Productivity (TFP). Thus, this paper answers the call for more research on the links between a firm's external R&D and its … productivity. In the cross-section econometric analysis, we estimate a Treatment Effects model based on the assumption that the …