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Consumption Inequality and the Frequency of Purchases

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  • Coibion, Olivier
  • Gorodnichenko, Yuriy
  • Koustas, Dmitri

Abstract

We document a decline in the frequency of shopping trips in the U.S. since 1980 and consider its implications for the measurement of consumption inequality. A decline in shopping frequency as households stock up on storable goods (i.e. inventory behavior) will lead to a rise in expenditure inequality when the latter is measured at high frequency, even when underlying consumption inequality is unchanged. We find that most of the recently documented rise in expenditure inequality in the U.S. since the 1980s can be accounted for by this phenomenon. Using detailed micro data on spending which we link to data on club/warehouse store openings, we directly attribute much of the reduced frequency of shopping trips to the rise in club/warehouse stores.
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  • Coibion, Olivier & Gorodnichenko, Yuriy & Koustas, Dmitri, 2022. "Consumption Inequality and the Frequency of Purchases," Department of Economics, Working Paper Series qt5jm2t8tx, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
    • Handle: RePEc:cdl:econwp:qt5jm2t8tx
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    Cited by:

    1. Olivier Coibion & Dimitris Georgarakos & Yuriy Gorodnichenko & Maarten van Rooij, 2023. "How Does Consumption Respond to News about Inflation? Field Evidence from a Randomized Control Trial," American Economic Journal: Macroeconomics, American Economic Association, vol. 15(3), pages 109-152, July.
    2. Patrizio Tirelli & Maria Ferrara, 2020. "Disinflation, Inequality, And Welfare In A Tank Model," Economic Inquiry, Western Economic Association International, vol. 58(3), pages 1297-1313, July.
    3. Renzo Vidal Caycho, 2020. "¿La desigualdad de los agentes afecta al consumo? Una visión desde la política monetaria," Revista de Análisis Económico y Financiero, Universidad de San Martín de Porres, vol. 2(01), pages 07-24.
    4. Battistin, Erich & De Nadai, Michele & Krishnan, Nandini, 2020. "The Insights and Illusions of Consumption Measurements," IZA Discussion Papers 13222, Institute of Labor Economics (IZA).
    5. Buda, Gergely & Carvalho, Vasco & Hansen, Stephen & Ortiz, Alvaro & Rodrigo, Tomasa & Rodríguez Mora, José V, 2022. "National Accounts in a World of Naturally Occurring Data: A Proof of Concept for Consumption," CEPR Discussion Papers 17519, C.E.P.R. Discussion Papers.
    6. Michael Weber & Yuriy Gorodnichenko & Olivier Coibion, 2023. "The Expected, Perceived, and Realized Inflation of US Households Before and During the COVID19 Pandemic," IMF Economic Review, Palgrave Macmillan;International Monetary Fund, vol. 71(1), pages 326-368, March.
    7. Battistin, Erich & Neri, Lorenzo, 2017. "School Performance, Score Inflation and Economic Geography," IZA Discussion Papers 11161, Institute of Labor Economics (IZA).
    8. Coibion, Olivier & Gorodnichenko, Yuriy & Kueng, Lorenz & Silvia, John, 2017. "Innocent Bystanders? Monetary policy and inequality," Journal of Monetary Economics, Elsevier, vol. 88(C), pages 70-89.
    9. Agarwal, Sumit & Chua, Yeow Hwee & Song, Changcheng, 2022. "Inflation expectations of households and the upgrading channel," Journal of Monetary Economics, Elsevier, vol. 128(C), pages 124-138.
    10. Chun, Hyunbae & Kwon, Eunjee & Yang, Dongyun, 2024. "The rise of e-commerce and generational consumption inequality: Evidence from COVID-19 in South Korea," Regional Science and Urban Economics, Elsevier, vol. 104(C).
    11. Naubert, Christopher, 2019. "Monetary Policy and Redistribution: A Look under the Hatch with TANK," CEPR Discussion Papers 14159, C.E.P.R. Discussion Papers.
    12. Brent Neiman & Joseph Vavra, 2018. "The Rise in Household Spending Concentration," 2018 Meeting Papers 329, Society for Economic Dynamics.
    13. Ch.-M. CHEVALIER, 2018. "Consumption inequality in France between 1995 and 2011," Documents de Travail de l'Insee - INSEE Working Papers g2018-07, Institut National de la Statistique et des Etudes Economiques.
    14. Kozo Ueda & Kota Watanabe & Tsutomu Watanabe, 2024. "Household Inventory, Temporary Sales, Price Indices," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 65(1), pages 217-251, February.
    15. James Bullard & Aarti Singh & Jacek Suda, 2024. "Optimal Macroeconomic Policies in a Heterogeneous World," IMF Economic Review, Palgrave Macmillan;International Monetary Fund, vol. 72(3), pages 991-1041, September.

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    More about this item

    Keywords

    consumption inequality; expenditure inequality;

    JEL classification:

    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
    • D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement

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