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Commodity price shocks, supply chain disruptions and U.S. inflation

Author

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  • Diaz, Elena Maria
  • Cunado, Juncal
  • de Gracia, Fernando Perez

Abstract

This paper analyzes the impact of commodity price shocks and global supply chain disruptions on U.S. inflation rates. Based on the idea that the inflationary effect of particular commodities is time-varying, our main contribution is to construct a Cost-Push Commodity (CPC) factor through a genetic algorithm which allows to recursively select the combination of commodity prices that best explain U.S. inflation over time. When this factor is included into a Structural Vector Autoregressive (SVAR) model, average and time-varying impulse response functions show how the U.S. inflation rate has responded to commodity price shocks and supply chain disruptions over the sample period, including the crisis caused by the COVID-19 pandemic. Important policy implications can be derived from these results.

Suggested Citation

  • Diaz, Elena Maria & Cunado, Juncal & de Gracia, Fernando Perez, 2023. "Commodity price shocks, supply chain disruptions and U.S. inflation," Finance Research Letters, Elsevier, vol. 58(PC).
    • Handle: RePEc:eee:finlet:v:58:y:2023:i:pc:s154461232300867x
    DOI: 10.1016/j.frl.2023.104495
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    More about this item

    Keywords

    Cost-push commodity factor; Supply chain disruptions; Inflation; Structural VAR;
    All these keywords.

    JEL classification:

    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E37 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Forecasting and Simulation: Models and Applications
    • F47 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Forecasting and Simulation: Models and Applications
    • F62 - International Economics - - Economic Impacts of Globalization - - - Macroeconomic Impacts

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