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Hollowing Out and Slowing Growth: the Role of Process Innovations

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  • Wenbo Zhu

    (University of International Business and Economics)

Abstract

I develop an endogenous growth model with skill acquisition, which can simultaneously account for labour market polarization and a slow down in labour productivity growth. When a new technology enters the economy, it requires implementation by high-skilled workers. Over time, process innovation makes the technology more user-friendly so that lower skilled workers can also operate it. Process innovation contributes to growth by increasing the range of technologies that a lower skilled worker can operate. It also reallocates labour demand for different skill-groups and thereby affects the income distribution. Skill can be acquired through a costly learning activity and workers face different learning costs. I calibrate the model to match the European labour market in 2000 and 2014 respectively. I show that when the rate of process innovation decreases, labour productivity growth slows down and wage and employment become polarized. (Copyright: Elsevier)

Suggested Citation

  • Wenbo Zhu, 2022. "Hollowing Out and Slowing Growth: the Role of Process Innovations," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 45, pages 217-236, July.
    • Handle: RePEc:red:issued:19-318
    DOI: 10.1016/j.red.2021.06.004
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    References listed on IDEAS

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    1. Paul Beaudry & David A. Green & Benjamin M. Sand, 2016. "The Great Reversal in the Demand for Skill and Cognitive Tasks," Journal of Labor Economics, University of Chicago Press, vol. 34(S1), pages 199-247.
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    4. Lloyd-Ellis, Huw & Roberts, Joanne, 2002. "Twin Engines of Growth: Skills and Technology as Equal Partners in Balanced Growth," Journal of Economic Growth, Springer, vol. 7(2), pages 87-115, June.
    5. Guy Michaels & Ashwini Natraj & John Van Reenen, 2010. "Has ICT Polarized Skill Demand? Evidence from Eleven Countries over 25 Years," CEP Discussion Papers dp0987, Centre for Economic Performance, LSE.
    6. vom Lehn, Christian, 2020. "Labor market polarization, the decline of routine work, and technological change: A quantitative analysis," Journal of Monetary Economics, Elsevier, vol. 110(C), pages 62-80.
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    More about this item

    Keywords

    Labour market polarization; Labour productivity growth; Process innovation; Product innovation; Europe;
    All these keywords.

    JEL classification:

    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity

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