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@article{ Maté-García2008,
 title = {Productivity and R&D: An econometric evidence  from Spanish firm-level data},
 author = {Maté-García, Jorge-Julio and Rodríguez-Fernández, José-Miguel},
 journal = {Applied Economics},
 number = {14},
 pages = {1827-1837},
 volume = {40},
 year = {2008},
 doi = {https://doi.org/10.1080/00036840600905217},
 urn = {https://nbn-resolving.org/urn:nbn:de:0168-ssoar-243175},
 abstract = {This paper analyses the relationship between productivity growth and R&D investments of Spanish manufacturing firms during the 1990s. The theoretical model is a version of the Cobb-Douglas production function in its growth rate form. The purpose is to estimate the rate of return to R&D expenditures. The econometric specification is a distributed lag model. The estimation applies the GMM method. The main empirical finding is that a positive and significant role is played by R&D expenditures on productivity growth. The rate of return to R&D expenditures is 26.598 per cent.},
 keywords = {Spanien; productivity; research and development; Spain; Forschung und Entwicklung; Produktivität}}