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Intangible capital and productivity: Firm-level evidence from German manufacturing

Author

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  • Kaus, Wolfhard
  • Slavtchev, Viktor
  • Zimmermann, Markus
Abstract
We study the importance of intangible capital (R&D, software, patents) for the measurement of productivity using firm-level panel data from German manufacturing. We first document a number of facts on the evolution of intangible investment over time, and its distribution across firms. Aggregate intangible investment increased over time. However, the distribution of intangible investment, even more so than that of physical investment, is heavily right-skewed, with many firms investing nothing or little, and a few firms having very large intensities. Intangible investment is also lumpy. Firms that invest more intensively in intangibles (per capita or as sales share) also tend to be more productive. In a second step, we estimate production functions with and without intangible capital using recent control function approaches to account for the simultaneity of input choice and unobserved productivity shocks. We find a positive output elasticity for research and development (R&D) and, to a lesser extent, software and patent investment. Moreover, the production function estimates show substantial heterogeneity in the output elasticities across industries and firms. While intangible capital has small effects for firms with low intangible intensity, there are strong positive effects for high-intensity firms. Finally, including intangibles in a gross output production function reduces productivity dispersion (measured by the 90-10 decile range) on average by 3%, in some industries as much as nearly 9%.

Suggested Citation

  • Kaus, Wolfhard & Slavtchev, Viktor & Zimmermann, Markus, 2020. "Intangible capital and productivity: Firm-level evidence from German manufacturing," IWH Discussion Papers 1/2020, Halle Institute for Economic Research (IWH).
    • Handle: RePEc:zbw:iwhdps:12020
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    Cited by:

    1. Roth, Felix & Sen, Ali & Rammer, Christian, 2021. "Intangible Capital and Firm-Level Productivity – Evidence from Germany," Hamburg Discussion Papers in International Economics 9, University of Hamburg, Department of Economics.
    2. Matej Bajgar & Giuseppe Berlingieri & Sara Calligaris & Chiara Criscuolo & Jonathan Timmis, 2019. "Industry concentration in Europe and North America," CEP Discussion Papers dp1654, Centre for Economic Performance, LSE.
    3. Axenbeck, Janna & Niebel, Thomas, 2021. "Climate Protection Potentials of Digitalized Production Processes: Microeconometric Evidence?," VfS Annual Conference 2021 (Virtual Conference): Climate Economics 242369, Verein für Socialpolitik / German Economic Association.
    4. Marie Le Mouel & Alexander Schiersch, 2020. "Knowledge-Based Capital and Productivity Divergence," Discussion Papers of DIW Berlin 1868, DIW Berlin, German Institute for Economic Research.
    5. Klaus Friesenbichler & Agnes Kügler & Julia Schieber-Knöbl, 2022. "Unternehmensproduktivität über Sektoren in Österreich. Erste Evidenz von Mikrodaten," WIFO Research Briefs 21, WIFO.
    6. Carolina Hintzmann & Josep Lladós-Masllorens & Raul Ramos, 2021. "Intangible Assets and Labor Productivity Growth," Economies, MDPI, vol. 9(2), pages 1-21, May.
    7. Caggese, Andrea & Pérez-Orive, Ander, 2022. "How stimulative are low real interest rates for intangible capital?," European Economic Review, Elsevier, vol. 142(C).
    8. Grégory Claeys & Maria Demertzis, 2021. "The productivity paradox- policy lessons from MICROPROD," Policy Contributions 40536, Bruegel.
    9. Bajgar, Matej & Criscuolo, Chiara & Timmis, Jonathan, 2021. "Intangibles and industry concentration: supersize me," LSE Research Online Documents on Economics 113851, London School of Economics and Political Science, LSE Library.

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    More about this item

    Keywords

    intangible capital; productivity; production functions;
    All these keywords.

    JEL classification:

    • D24 - Microeconomics - - Production and Organizations - - - Production; Cost; Capital; Capital, Total Factor, and Multifactor Productivity; Capacity
    • L60 - Industrial Organization - - Industry Studies: Manufacturing - - - General
    • O30 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - General

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