TY - JOUR EP - 895 UR - https://discovery.ucl.ac.uk/id/eprint/16510/ ID - discovery16510 IS - 4 AV - public Y1 - 2004/// SN - 0034-6535 TI - Mapping the two faces of R&D: productivity growth in a panel of OECD industries A1 - Griffith, R A1 - Redding, S A1 - VanReenen, J PB - MIT Press JF - Review of Economics and Statistics SP - 883 VL - 86 ER -