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Labor Supply and Directed Technical Change: Evidence from the Termination of the Bracero Program in 1964

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  • Shmuel San

Abstract

This paper studies the impact of labor supply on the creation of new technology, exploiting a large exogenous shock to the US agricultural labor supply caused by the termination of the Bracero agreements between the US and Mexico at the end of 1964. Using a text-search algorithm allocating patents to crops, I show a negative labor-supply shock induced a sharp increase in innovation in technologies related to more affected crops. The effect is stronger for technology related to labor-intensive production tasks. Farm-value dynamics indicate that, despite the positive technology reaction, the policy change was undesirable for farm owners.

Suggested Citation

  • Shmuel San, 2023. "Labor Supply and Directed Technical Change: Evidence from the Termination of the Bracero Program in 1964," American Economic Journal: Applied Economics, American Economic Association, vol. 15(1), pages 136-163, January.
    • Handle: RePEc:aea:aejapp:v:15:y:2023:i:1:p:136-63
    DOI: 10.1257/app.20200664
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    Cited by:

    1. Kuroiwa, Kenichi & Chellattan Veettil, Prakashan & Gupta, Ishika, 2024. "Labor Scarcity and Technology Adoption in Agriculture: Evidence from Rural India during the COVID-19 Pandemic," 2024 Annual Meeting, July 28-30, New Orleans, LA 343851, Agricultural and Applied Economics Association.
    2. Danzer, Alexander M. & Feuerbaum, Carsten & Gaessler, Fabian, 2024. "Labor supply and automation innovation: Evidence from an allocation policy," Journal of Public Economics, Elsevier, vol. 235(C).
    3. Raphaël Franck, 2024. "Labor scarcity, technology adoption and innovation: evidence from the cholera pandemics in 19th century France," Journal of Economic Growth, Springer, vol. 29(4), pages 543-583, December.

    More about this item

    JEL classification:

    • J22 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Time Allocation and Labor Supply
    • J43 - Labor and Demographic Economics - - Particular Labor Markets - - - Agricultural Labor Markets
    • N32 - Economic History - - Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion, and Philanthropy - - - U.S.; Canada: 1913-
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • O34 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital
    • Q12 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets
    • Q16 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - R&D; Agricultural Technology; Biofuels; Agricultural Extension Services

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