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Monetary Equilibrium and the Cost of Banking Activity

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  • PAOLA BOEL
  • GABRIELE CAMERA

Abstract

We investigate the effects of banks' operating costs on allocations and welfare in a low interest rate environment. We introduce an explicit production function for banks in a microfounded model where banks employ labor resources, hired on a competitive market, to run their operations. In equilibrium, this generates a spread between interest rates on loans and deposits, which reflects the underlying monetary policy and the efficiency of financial intermediation. In a deflation or low‐inflation environment, equilibrium deposits yield zero returns. Hence, banks soak up labor resources to offer deposits that do not outperform idle balances, thus reducing aggregate efficiency.

Suggested Citation

  • Paola Boel & Gabriele Camera, 2020. "Monetary Equilibrium and the Cost of Banking Activity," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 52(4), pages 653-683, June.
    • Handle: RePEc:wly:jmoncb:v:52:y:2020:i:4:p:653-683
    DOI: 10.1111/jmcb.12676
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    References listed on IDEAS

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    1. Berentsen, Aleksander & Camera, Gabriele & Waller, Christopher, 2007. "Money, credit and banking," Journal of Economic Theory, Elsevier, vol. 135(1), pages 171-195, July.
    2. Valerie R. Bencivenga & Gabriele Camera, 2011. "Banking in a Matching Model of Money and Capital," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 43(s2), pages 449-476, October.
    3. Thomas Philippon, 2015. "Has the US Finance Industry Become Less Efficient? On the Theory and Measurement of Financial Intermediation," American Economic Review, American Economic Association, vol. 105(4), pages 1408-1438, April.
    4. Ricardo Lagos & Randall Wright, 2005. "A Unified Framework for Monetary Theory and Policy Analysis," Journal of Political Economy, University of Chicago Press, vol. 113(3), pages 463-484, June.
    5. Calomiris, Charles W. & Nissim, Doron, 2014. "Crisis-related shifts in the market valuation of banking activities," Journal of Financial Intermediation, Elsevier, vol. 23(3), pages 400-435.
    6. Schmiedel, Heiko & Kostova, Gergana & Ruttenberg, Wiebe, 2012. "The social and private costs of retail payment instruments: a European perspective," Occasional Paper Series 137, European Central Bank.
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    Cited by:

    1. Hyung Sun Choi, 2023. "Payment Systems, Multiple Types of Collateral, Banking, and Collateral Policy," Korean Economic Review, Korean Economic Association, vol. 39, pages 469-493.

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    More about this item

    JEL classification:

    • C70 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - General
    • D40 - Microeconomics - - Market Structure, Pricing, and Design - - - General
    • E30 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - General (includes Measurement and Data)
    • J30 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - General

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