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Dynamic Diffusion in Production Networks

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Abstract

I show three properties in which a dynamic input-output economy with time to build differs from a static economy: first, a standard result in a Cobb-Douglas production networks is that productivity shocks diffuse downstream while demand shocks diffuse upstream. This fact interacts with the discount rate to generate a potentially quite different aggregate impact in different sectors. With time to build the direction of the diffusion is the opposite, and demand shocks also diffuse downstream. Second, I show that time to build leads to less comovement across sectors. Third, I provide bounds on the recovery time of the economy hit by a shock.

Suggested Citation

  • Matteo Bizzarri, 2024. "Dynamic Diffusion in Production Networks," CSEF Working Papers 709, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy.
    • Handle: RePEc:sef:csefwp:709
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    References listed on IDEAS

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    1. Andrew T. Foerster & Pierre-Daniel G. Sarte & Mark W. Watson, 2011. "Sectoral versus Aggregate Shocks: A Structural Factor Analysis of Industrial Production," Journal of Political Economy, University of Chicago Press, vol. 119(1), pages 1-38.
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    6. Pellet, Thomas & Tahbaz-Salehi, Alireza, 2023. "Rigid production networks," Journal of Monetary Economics, Elsevier, vol. 137(C), pages 86-102.
    7. Benjamin Golub & Matthew O. Jackson, 2012. "How Homophily Affects the Speed of Learning and Best-Response Dynamics," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 127(3), pages 1287-1338.
    8. David Rezza Baqaee, 2018. "Cascading Failures in Production Networks," Econometrica, Econometric Society, vol. 86(5), pages 1819-1838, September.
    9. David Rezza Baqaee & Emmanuel Farhi, 2019. "The Macroeconomic Impact of Microeconomic Shocks: Beyond Hulten's Theorem," Econometrica, Econometric Society, vol. 87(4), pages 1155-1203, July.
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    More about this item

    Keywords

    production networks; diffusion; propagation; shocks.;
    All these keywords.

    JEL classification:

    • D57 - Microeconomics - - General Equilibrium and Disequilibrium - - - Input-Output Tables and Analysis
    • D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles

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