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Do Public Subsidies Complement Business R&D? A Meta-Analysis of the Econometric Evidence

Analysis of the effects of public financing on private investment in R & D has been the object of numerous applied studies without it having been possible to arrive at a definite conclusion. In this paper the results of a meta-regression of econometric evidence on the relationship between public funding of R & D and private R & D expenditures is presented. After the creation of a data-base including all relevant studies and their results and characteristics, a meta-analysis was carried out to examine whether the characteristics of the applied analysis influence the results and explain the differences in the empirical literature on this subject. Copyright WWZ and Helbing & Lichtenhahn Verlag AG 2004.