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University R&D and Firm Productivity: Evidence from Italy

机译:大学研发与企业生产率:来自意大利的证据

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摘要

Ed Mansfield wrote several papers on the private returns to basic research (e.g. Mansfield, 1980) and the influence of academic research on industrial innovation (e.g. Mansfield, 1991). We extend this line of research by assessing the impact of university research on total factor productivity growth of Italian manufacturing firms. The econometric analysis is based on reduced-form estimation of the R&D capital stock model, including controls for two potential sources of sample selection bias, as proposed by Crepon et al. (1998) and Piga and Vivarelli (2004). Our results suggest that while there are positive returns to collaborative research with other firms, collaborative research with universities does not appear to directly stimulate productivity. We interpret this result as consistent with recent evidence (e.g. Hall et al., 2001, 2003) suggesting that firms engage in collaborative research with universities when appropriability conditions are weak.
机译:埃德·曼斯菲尔德(Ed Mansfield)写了几篇论文,内容涉及基础研究的私人回报(例如,曼斯菲尔德,1980年)以及学术研究对产业创新的影响(例如,曼斯菲尔德,1991年)。通过评估大学研究对意大利制造业公司全要素生产率增长的影响,我们扩展了这一研究范围。计量经济学分析基于研发资本存量模型的简化形式估计,包括Crepon等人提出的控制两个潜在样本选择偏差来源的控件。 (1998年)以及Piga和Vivarelli(2004年)。我们的结果表明,尽管与其他公司的合作研究获得了积极的回报,但与大学的合作研究似乎并没有直接刺激生产力。我们认为这个结果与最近的证据一致(例如Hall等人,2001,2003),表明当适用性条件较弱时,公司与大学进行合作研究。

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