@article{discovery16510,
           pages = {883--895},
          number = {4},
         journal = {Review of Economics and Statistics},
           title = {Mapping the two faces of R\&D: productivity growth in a panel of OECD industries},
            year = {2004},
          volume = {86},
       publisher = {MIT Press},
             url = {https://discovery.ucl.ac.uk/id/eprint/16510/},
          author = {Griffith, R and Redding, S and VanReenen, J},
            issn = {0034-6535}
}