Persistence of Innovation : Stylised Facts and Panel Data Evidence


Peters, Bettina


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URL: http://ub-madoc.bib.uni-mannheim.de/1198
URN: urn:nbn:de:bsz:180-madoc-11989
Document Type: Working paper
Year of publication: 2005
Publication language: English
Institution: Sonstige Einrichtungen > ZEW - Leibniz-Zentrum für Europäische Wirtschaftsforschung
MADOC publication series: Veröffentlichungen des ZEW (Leibniz-Zentrum für Europäische Wirtschaftsforschung) > ZEW Discussion Papers
Subject: 330 Economics
Classification: JEL: C23 C25 L20 O31 ,
Subject headings (SWD): Deutschland , Innovation , Persistenz , Probit-Modell
Abstract: 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. We find 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 Wooldrigde (2005), we further shed some light on the driving forces for this phenomenon. The econometric results confirm the hypothesis of true state dependence for manufacturing as well as for service sector firms. In addition to past innovation experience, the results further highlight the important role of knowledge provided by skilled employees and unobserved individual heterogeneity in explaining the persistence of innovation.
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Das Dokument wird vom Publikationsserver der Universitätsbibliothek Mannheim bereitgestellt.




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Peters, Bettina (2005) Persistence of Innovation : Stylised Facts and Panel Data Evidence. Open Access [Working paper]
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