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Equilibrium Price Dispersion Across and Within Stores

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  • Guido Menzio
  • Nicholas Trachter

Abstract

We develop a search-theoretic model of the product market that generates price dispersion across and within stores. Buyers differ with respect to their ability to shop around, both at different stores and at different times. The fact that some buyers can shop from only one seller while others can shop from multiple sellers causes price dispersion across stores. The fact that the buyers who can shop from multiple sellers are more likely to be able to shop at inconvenient times (e.g., on Monday morning) causes price dispersion within stores. Specifically, it causes sellers to post different prices for the same good at different times in order to discriminate between different types of buyers.

Suggested Citation

  • Guido Menzio & Nicholas Trachter, 2015. "Equilibrium Price Dispersion Across and Within Stores," NBER Working Papers 21493, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:21493
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    References listed on IDEAS

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    1. Peter J. Klenow & Oleksiy Kryvtsov, 2008. "State-Dependent or Time-Dependent Pricing: Does it Matter for Recent U.S. Inflation?," The Quarterly Journal of Economics, Oxford University Press, vol. 123(3), pages 863-904.
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    17. repec:pri:cepsud:234kaplan is not listed on IDEAS
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    Cited by:

    1. Nemet, Gregory F. & O’Shaughnessy, Eric & Wiser, Ryan & Darghouth, Naïm & Barbose, Galen & Gillingham, Ken & Rai, Varun, 2017. "Characteristics of low-priced solar PV systems in the U.S," Applied Energy, Elsevier, vol. 187(C), pages 501-513.
    2. Greg Kaplan & Guido Menzio & Leena Rudanko & Nicholas Trachter, 2016. "Relative Price Dispersion: Evidence and Theory," NBER Working Papers 21931, National Bureau of Economic Research, Inc.
    3. Garth Baughman & Stanislav Rabinovich, 2018. "Self-confirming Price Dispersion in Monetary Economies," Finance and Economics Discussion Series 2018-046, Board of Governors of the Federal Reserve System (U.S.).
    4. Pau Roldan & Sophia Gilbukh, 2017. "Firm Dynamics and Pricing under Customer Capital Accumulation," 2017 Meeting Papers 1235, Society for Economic Dynamics.
    5. repec:fip:fedreq:00045 is not listed on IDEAS
    6. Coibion, Olivier & Gorodnichenko, Yuriy & Koustas, Dmitri, 2017. "Consumption Inequality and the Frequency of Purchases," IZA Discussion Papers 10882, Institute for the Study of Labor (IZA).

    More about this item

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection

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