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How production networks amplify economic growth

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  • McNerney, J.
  • Savoie, C.
  • Caravelli, F.
  • Carvalho, W. M.
  • Farmer, J. D.

Abstract

Technological improvement is the most important cause of long-term economic growth. We study the effects of technology improvement in the setting of a production network, in which each producer buys input goods and converts them to other goods, selling the product to households or other producers. We show how this network amplifies the effects of technological improvements as they propagate along chains of production. Longer production chains for an industry bias it towards faster price reduction, and longer production chains for a country bias it towards faster GDP growth. These predictions are in good agreement with data and improve with the passage of time, demonstrating a key influence of production chains in price change and output growth over the long term.

Suggested Citation

  • McNerney, J. & Savoie, C. & Caravelli, F. & Carvalho, W. M. & Farmer, J. D., 2021. "How production networks amplify economic growth," Cambridge Working Papers in Economics 2183, Faculty of Economics, University of Cambridge.
    • Handle: RePEc:cam:camdae:2183
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    References listed on IDEAS

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    Cited by:

    1. Silvia Bartolucci & Fabio Caccioli & Francesco Caravelli & Pierpaolo Vivo, 2020. "Upstreamness and downstreamness in input-output analysis from local and aggregate information," Papers 2009.06350, arXiv.org, revised Feb 2024.
    2. Goldin, Ian & Koutroumpis, Pantelis & Lafond, François & Winkler, Julian, 2020. "Why is productivity slowing down?," MPRA Paper 99172, University Library of Munich, Germany.
    3. Olivera Kostoska & Viktor Stojkoski & Ljupco Kocarev, 2020. "On the structure of the world economy: An absorbing Markov chain approach," Papers 2003.05204, arXiv.org.
    4. Pichler, Anton & Pangallo, Marco & del Rio-Chanona, R. Maria & Lafond, François & Farmer, J. Doyne, 2020. "In and out of lockdown: Propagation of supply and demand shocks in a dynamic input-output model," INET Oxford Working Papers 2021-18, Institute for New Economic Thinking at the Oxford Martin School, University of Oxford, revised Feb 2021.

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    Keywords

    Production networks; Growth; Multi-sector models; Productivity;
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