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Growth, Automation, and the Long-Run Share of Labor

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Listed:
  • Debraj Ray

    (New York University)

  • Dilip Mookherjee

    (Boston University)

Abstract

We study a model of long run growth and distribution with two key features. First, there is an asymmetry between physical and human capital. Individual claims on the former can be reproduced linearly and indefinitely. Because no similar claim on humans is possible, human capital accumulation instead takes the form of acquiring occupational skills, the returns to which are determined by an endogenous collection of wages. Second, physical capital can take the form of machines that are complementary to human labor, or robots, a substitute for it. Under a self-replication condition on the production of robot services, our theory delivers progressive automation, with the share of labor in national income converging to zero. The displacement of human labor is gradual, and real wages could rise indefinitely. The results extend to endogenous technical change, as well as relaxations of the sharply posited human-physical asymmetry.

Suggested Citation

  • Debraj Ray & Dilip Mookherjee, 2020. "Growth, Automation, and the Long-Run Share of Labor," Boston University - Department of Economics - The Institute for Economic Development Working Papers Series dp-347, Boston University - Department of Economics.
    • Handle: RePEc:bos:iedwpr:dp-347
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    File URL: http://www.bu.edu/econ/files/2020/07/20UltraLong10Ectrica.pdf
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    Cited by:

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    2. Dreger, Christian & Fourné, Marius & Holtemöller, Oliver, 2023. "Globalization, productivity growth, and labor compensation," IWH Discussion Papers 7/2022, Halle Institute for Economic Research (IWH), revised 2023.
    3. Yuki, Kazuhiro, 2012. "Mechanization, task assignment, and inequality," MPRA Paper 37754, University Library of Munich, Germany.
    4. Wang, Linhui & Cao, Zhanglu & Dong, Zhiqing, 2023. "Are artificial intelligence dividends evenly distributed between profits and wages? Evidence from the private enterprise survey data in China," Structural Change and Economic Dynamics, Elsevier, vol. 66(C), pages 342-356.
    5. Cauvel, Michael & Pacitti, Aaron, 2022. "Bargaining power, structural change, and the falling U.S. labor share," Structural Change and Economic Dynamics, Elsevier, vol. 60(C), pages 512-530.
    6. Leone Julián & Cascio Jorge Lo, 2020. "Income gaps: Education and inequality," Economics and Business Review, Sciendo, vol. 6(4), pages 27-50, December.
    7. Corneo, Giacomo, 2020. "Progressive Sovereign Wealth Funds," CEPR Discussion Papers 14746, C.E.P.R. Discussion Papers.

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    More about this item

    JEL classification:

    • D33 - Microeconomics - - Distribution - - - Factor Income Distribution
    • E25 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Aggregate Factor Income Distribution
    • J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
    • J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes

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