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首页> 外文期刊>The journal of technology transfer >Persistence Of Innovation: Stylised Facts And Panel Data Evidence
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Persistence Of Innovation: Stylised Facts And Panel Data Evidence

机译:创新的持久性:程式化的事实和面板数据证据

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This paper investigates whether firms innovate persistently or discontinuously over time using an innovation panel data set on German manufacturing and service firms for the period 1994-2002. It turns out that innovation behaviour is permanent at the firm level to a very large extent. Using a dynamic random effects discrete choice model and a new estimator recently proposed by Wooldridge (2005), I further shed some light on the driving forces for this phenomenon. The econometric results show that past innovation experience is an important determinant for manufacturing as well as for service sector firms, and hence confirm the hypothesis of true state dependence. In addition, the results highlight the important role of knowledge provided by skilled employees and unobserved individual heterogeneity in explaining the persistence of innovation.
机译:本文使用关于1994年至2002年期间德国制造业和服务业公司的创新面板数据集,调查了企业是随时间推移进行持久性创新还是非持续性创新。事实证明,创新行为在很大程度上是公司级别的永久性行为。使用动态随机效应离散选择模型和Wooldridge(2005)最近提出的新估计量,我进一步阐明了这一现象的驱动力。计量经济学结果表明,过去的创新经验对于制造业和服务业公司都是重要的决定因素,因此可以证实真实国家依赖的假设。此外,结果强调了熟练员工提供的知​​识和未观察到的个体异质性在解释创新持续性方面的重要作用。

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