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R&D and productivity in German manufacturing firms

Dietmar Harhoff ()

No 94-01, ZEW Discussion Papers from ZEW - Leibniz Centre for European Economic Research

Abstract: This paper uses a new firm panel data set to explore the relationship between R&D and productivity in German manufacturing firms for the period from 1979 to 1989. The results confirm the view that R&D is an important determinant of productivity growth. In the cross-section, the elasticity of sales with respect to R&D capital is on the order of 14 per cent. Using fixed-effects estimators yields R&D elasticities of about 8 per cent. Differencing estimates improve considerably when growth rates are computed over longer time periods, suggesting that the divergence between time-series and cross-sectional estimates is driven by measurement errors. The paper also considers differences between high-technology and other firms. Cross-section and panel elasticity estimates of the R&D effect diverge considerably for the two groups, while the corresponding rate of return estimators display far less variation. There is some evidence that the R&D elasticity increased during the early 80s, and that it fell sharply back to its 1979 value during the period from 1985 to 1989.

Date: 1994
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https://www.econstor.eu/bitstream/10419/29372/1/257535535.pdf (application/pdf)

Related works:
Journal Article: R&D and Productivity in German Manufacturing Firms (1998) Downloads
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Persistent link: https://EconPapers.repec.org/RePEc:zbw:zewdip:9401

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