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http://ssrn.com/abstract=730584
 
 

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Firms' Productivity Growth and R&D Spillovers: An Analysis of Alternative Technological Proximity Measures


Michele Cincera


Université Libre de Bruxelles (ULB) - Solvay Brussels School of Economics and Management

February 2005

CEPR Discussion Paper No. 4894

Abstract:     
This paper aims at assessing the impact of R&D spillovers on firms' economic performance as measured by productivity growth. The construction of R&D spillovers is based on Jaffe's methodology (1986, 1988), which associates econometrics and data analysis. The main objective of the paper is to extend Jaffe's methodology by examining alternative methods for measuring R&D spillovers and to test their impacts in terms of the robustness of results. In particular, the method used to classify firms into technological clusters as well as the metrics implemented to appreciate firms' technological proximities which enter the construction of spillovers are further investigated. In addition to R&D spillovers, firms' own R&D capital, labor and physical capital are estimated by means of a Cobb-Douglas production function. The data set consists of a representative sample of 625 worldwide R&D-intensive firms over the period 1987-1994.

Number of Pages in PDF File: 32

Keywords: R&D Spillovers, productivity growth, panel data, clustering

JEL Classification: O12, O33, O47

working papers series


Date posted: May 27, 2005  

Suggested Citation

Cincera, Michele, Firms' Productivity Growth and R&D Spillovers: An Analysis of Alternative Technological Proximity Measures (February 2005). CEPR Discussion Paper No. 4894. Available at SSRN: http://ssrn.com/abstract=730584

Contact Information

Michele Cincera (Contact Author)
Université Libre de Bruxelles (ULB) - Solvay Brussels School of Economics and Management ( email )
42 Av Franklin Roosevelt
1050
Brussels
Belgium
+3226504151 (Phone)
+3226504305 (Fax)
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