R&D and absorptive capacity : theory and empirical evidence
This paper presents a single unified framework that integrates the theoretical literature on Schumpeterian endogenous growth and major strands of the empirical literatures on R&D, productivity growth, and productivity convergence. Starting from a structural model of endogenous growth following Aghion and Howitt (1992), (1998), we provide microeconomic foundations for the reduced-form equations for Total Factor Productivity (TFP) growth frequently estimated empirically using industry-level data. R&D affects both innovation and the assimilation of othersâ€™ discoveries (â€˜absorptive capacityâ€™). Long-run cross-country differences in productivity emerge endogenously, and the analysis implies that many existing studies underestimate R&Dâ€™s social rate of return by neglecting absorptive capacity.
|Date of creation:||Mar 2003|
|Publication status:||Published in Scandinavian Journal of Economics, March, 2003, 105(1), pp. 99-118. ISSN: 1467-9442|
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