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Automation, Economic Growth, and the Labor Share - A Comment on Prettner (2019) -

Author

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  • Burkhard Heer
  • Andreas Irmen

Abstract

Prettner (2019) studies the implications of automation for economic growth and the labor share in a variant of the Solow-Swan model. The aggregate production function allows for two types of capital, traditional and automation capital. Traditional capital and labor are imperfect substitutes whereas automation capital and labor are perfect substitutes. In this paper, we point to a flaw in Prettner’s analysis that invalidates his main analytical and computational findings. In contrast to Prettner, we argue that both kinds of capital are perfect substitutes as stores of value, and, therefore, must earn the same rate of return in equilibrium. Our computational analysis shows that the model dramatically overestimates the actual decline in the US labor share over the last 50 years.

Suggested Citation

  • Burkhard Heer & Andreas Irmen, 2019. "Automation, Economic Growth, and the Labor Share - A Comment on Prettner (2019) -," CESifo Working Paper Series 7730, CESifo.
    • Handle: RePEc:ces:ceswps:_7730
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    References listed on IDEAS

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    1. Trabandt, Mathias & Uhlig, Harald, 2011. "The Laffer curve revisited," Journal of Monetary Economics, Elsevier, vol. 58(4), pages 305-327.
    2. Robert M. Solow, 1956. "A Contribution to the Theory of Economic Growth," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 70(1), pages 65-94.
    3. T. W. Swan, 1956. "ECONOMIC GROWTH and CAPITAL ACCUMULATION," The Economic Record, The Economic Society of Australia, vol. 32(2), pages 334-361, November.
    4. Prettner, Klaus, 2019. "A Note On The Implications Of Automation For Economic Growth And The Labor Share," Macroeconomic Dynamics, Cambridge University Press, vol. 23(3), pages 1294-1301, April.
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    Cited by:

    1. Sasaki, Hiroaki, 2023. "Growth with automation capital and declining population," Economics Letters, Elsevier, vol. 222(C).
    2. Sasaki, Hiroaki & Hagiwara, Takefumi & Pham, Huong & Fukatani, Noriki & Ogawa, Shogo & Okahara, Naoto, 2021. "How Does Automation Affect Economic Growth and Income Distribution in a Two-Class Economy?," MPRA Paper 106481, University Library of Munich, Germany.
    3. Sasaki, Hiroaki, 2021. "Automation Technology, Economic Growth, and Income Distribution in an Economy with Dynasties and Overlapping Generations," MPRA Paper 105446, University Library of Munich, Germany.
    4. Chia‐Hui Lu, 2023. "The macroeconomic impact of automation: Applications to elderly care," Contemporary Economic Policy, Western Economic Association International, vol. 41(4), pages 674-695, October.
    5. Akira Yakita, 2022. "Automation, fertility, and labor share in an aging, overlapping generations economy," Economics Bulletin, AccessEcon, vol. 42(2), pages 889-894.

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    More about this item

    Keywords

    automation; declining labor share; capital accumulation; long-run growth;
    All these keywords.

    JEL classification:

    • O11 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Macroeconomic Analyses of Economic Development
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models

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