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Sectoral Heterogeneity in Nominal Price Rigidity and the Origin of Aggregate Fluctuations

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  • Ernesto Pastén
  • Raphael Schoenle
  • Michael Weber

Abstract

We study the role of heterogeneity in nominal price rigidity for aggregate fluctuations in a model with sectoral productivity shocks. Theoretically, sectoral heterogeneity in the pricing friction has an ambiguous effect on GDP and aggregate price volatility. Quantitatively, (i) GDP volatility is amplified when the friction is heterogeneous rather than homogeneous; (ii) sectoral shocks can jointly rationalize the volatility of sectoral prices, aggregate prices, and GDP, unlike aggregate shocks; and (iii) shocks to the largest or most central sectors may not matter in the aggregate as heterogeneous pricing frictions may alter the identity of the most important sectors for aggregate fluctuations.

Suggested Citation

  • Ernesto Pastén & Raphael Schoenle & Michael Weber, 2024. "Sectoral Heterogeneity in Nominal Price Rigidity and the Origin of Aggregate Fluctuations," American Economic Journal: Macroeconomics, American Economic Association, vol. 16(2), pages 318-352, April.
    • Handle: RePEc:aea:aejmac:v:16:y:2024:i:2:p:318-52
    DOI: 10.1257/mac.20210460
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    Cited by:

    1. Jae Won Lee & Seunghyeon Lee, 2025. "Monetary Non-Neutrality in a Multisector Economy: The Role of Risk-Sharing," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 55, January.

    More about this item

    JEL classification:

    • E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian; Modern Monetary Theory
    • E23 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Production
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles

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