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Market Power, Price Adjustment, and Inflation

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  • Allen Head

    () (Queen's University)

  • Alok Kumar

    () (University of Victoria)

  • Beverly Lapham

    () (Queen's University)

Abstract

We study the responses of real and nominal prices to random flutuations in costs and money growth using a monetary search economy in which there are no costs or temporal restrictions on sellers' ability to change prices. The economy exhibits a form of price stickiness in that the price level may react incompletely to either type of shock as a result of endogenous changes in the average mark-up driven by movements in consumers' search intensity. The average mark-up falls as inflation rises, a finding consistent with emprical observations. As a result of this reduction in market power, prices become more responsive to shocks as inflation rises. Our results are consistent with empirical findings that the degree of price adjustment in response to both cost and money growth shocks is increasing in the average rate of inflation, that the variance of inflation increases with its average level, and that positive and negative shocks to money growth have asymmetric effects.

Suggested Citation

  • Allen Head & Alok Kumar & Beverly Lapham, 2006. "Market Power, Price Adjustment, and Inflation," Working Papers 1089, Queen's University, Department of Economics.
  • Handle: RePEc:qed:wpaper:1089
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    References listed on IDEAS

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    Cited by:

    1. Yuriy Gorodnichenko & Oleksandr Talavera, 2017. "Price Setting in Online Markets: Basic Facts, International Comparisons, and Cross-Border Integration," American Economic Review, American Economic Association, vol. 107(1), pages 249-282, January.
    2. Becker, Sascha S. & Nautz, Dieter, 2012. "Inflation, price dispersion and market integration through the lens of a monetary search model," European Economic Review, Elsevier, vol. 56(3), pages 624-634.
    3. repec:bla:ecinqu:v:55:y:2017:i:4:p:1648-1670 is not listed on IDEAS
    4. Williamson, Stephen & Wright, Randall, 2010. "New Monetarist Economics: Models," Handbook of Monetary Economics,in: Benjamin M. Friedman & Michael Woodford (ed.), Handbook of Monetary Economics, edition 1, volume 3, chapter 2, pages 25-96 Elsevier.
    5. Ciżkowicz, Piotr & Rzońca, Andrzej, 2013. "Does inflation harm corporate investment? Empirical evidence from OECD countries," Economics - The Open-Access, Open-Assessment E-Journal, Kiel Institute for the World Economy (IfW), vol. 7, pages 1-38.
    6. Craig, Ben & Rocheteau, Guillaume, 2008. "State-dependent pricing, inflation, and welfare in search economies," European Economic Review, Elsevier, vol. 52(3), pages 441-468, April.
    7. Allen Head & Lucy Qian Liu & Guido Menzio & Randall Wright, 2012. "Sticky Prices: A New Monetarist Approach," Journal of the European Economic Association, European Economic Association, vol. 10(5), pages 939-973, October.
    8. Vinish Shrestha & Sara Markowitz, 2016. "The Pass-Through Of Beer Taxes To Prices: Evidence From State And Federal Tax Changes," Economic Inquiry, Western Economic Association International, vol. 54(4), pages 1946-1962, October.
    9. Ratul, Lahkar, 2011. "The dynamic instability of dispersed price equilibria," Journal of Economic Theory, Elsevier, vol. 146(5), pages 1796-1827, September.
    10. Lucy Qian Liu & Liang Wang & Randall Wright, 2015. "Costly Credit and Sticky Prices," Working Papers 201505, University of Hawaii at Manoa, Department of Economics.
    11. Lucas Herrenbrueck, 2017. "An Open-Economy Model With Money, Endogenous Search, And Heterogeneous Firms," Economic Inquiry, Western Economic Association International, vol. 55(4), pages 1648-1670, October.
    12. David Fielding & Christopher Hajzler & James MacGee, 2017. "Price-Level Dispersion versus Inflation-Rate Dispersion: Evidence from Three Countries," Staff Working Papers 17-3, Bank of Canada.
    13. Liang Wang, 2011. "Inflation and Welfare with Search and Price Dispersion," Working Papers 201113, University of Hawaii at Manoa, Department of Economics.
    14. Sascha S. Becker, 2011. "What Drives the Relationship Between Inflation and Price Dispersion? Market Power vs. Price Rigidity," SFB 649 Discussion Papers SFB649DP2011-019, Sonderforschungsbereich 649, Humboldt University, Berlin, Germany.

    More about this item

    Keywords

    Search; Mark-up; Inflation; Price Dispersion; Pass-through;

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System

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