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Rigidities and adjustments of daily prices to costs: Evidence from supermarket data

Author

Listed:
  • Giulietti, Monica

    (Loughborough University)

  • Otero,Jesus

    (Universidad del Rosario)

  • Waterson, Michael

    (University of Warwick)

Abstract

We assess the extent of inertia in grocery retail prices using data on prices and costs from a large supermarket chain in Colombia. Relative to previous work our analysis benefits from the daily frequency of the data and the availability of reliable replacement cost data. We uncover evidence supporting the existence of significant nominal rigidities in reference prices (three months) and even more so in reference costs (about five months). There is evidence that the price and cost rigidities differ depending on the type of product, being on average smaller in the case of perishable goods. Using an Error Correction Model framework, we examine the path of prices relative to costs, to determine the speed of adjustment of prices to shocks.

Suggested Citation

  • Giulietti, Monica & Otero,Jesus & Waterson, Michael, 2019. "Rigidities and adjustments of daily prices to costs: Evidence from supermarket data," The Warwick Economics Research Paper Series (TWERPS) 1187, University of Warwick, Department of Economics.
    • Handle: RePEc:wrk:warwec:1187
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    File URL: https://warwick.ac.uk/fac/soc/economics/research/workingpapers/2019/twerp_1187_waterson.pdf
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    Cited by:

    1. César Salazar & Andrés Acuña-Duarte & José M. Gil, 2025. "Price relationships between differentiated agricultural products. Do energy and climate shocks matter?," Agricultural and Food Economics, Springer;Italian Society of Agricultural Economics (SIDEA), vol. 13(1), pages 1-26, December.
    2. Núñez, Héctor M. & Otero, Jesús & Trujillo-Barrera, Andrés, 2023. "Wholesale price rigidities and exchange rate pass-through: Evidence from daily data of agricultural products," International Economics, Elsevier, vol. 176(C).
    3. César Salazar & Andrés Acuña‐Duarte & José Maria Gil, 2023. "Drought shocks and price adjustments in local food markets in Chile: Do product quality and marketing channel matter?," Agricultural Economics, International Association of Agricultural Economists, vol. 54(3), pages 349-363, May.
    4. Anton, Ramona & Chenavaz, Régis Y. & Paraschiv, Corina, 2023. "Dynamic pricing, reference price, and price-quality relationship," Journal of Economic Dynamics and Control, Elsevier, vol. 146(C).
    5. Ortiz, Santiago & Castelblanco, Geraldine & Mantilla, Cesar, 2020. "Perishability, dynamic pricing and price discrimination: evidence from flower markets in Bogotá," SocArXiv pv5kz, Center for Open Science.

    More about this item

    Keywords

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    JEL classification:

    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
    • L81 - Industrial Organization - - Industry Studies: Services - - - Retail and Wholesale Trade; e-Commerce

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