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A macroeconomic theory of banking oligopoly

Author

Listed:
  • Dong, Mei
  • Huangfu, Stella
  • Sun, Hongfei
  • Zhou, Chenggang

Abstract

We study the behavior and macroeconomic impact of oligopolistic banks in a tractable environment with micro-foundations for money and banking. In our model, large banks interact strategically as they compete against each other to make loans. Banks face potential liquidity issues as they try to secure deposits as a source of funds. We find that it is welfare-maximizing to have the banking sector as oligopolistic, i.e., to have a small number of large banks. In addition, inflation stimulates bank entry but always reduces welfare.

Suggested Citation

  • Dong, Mei & Huangfu, Stella & Sun, Hongfei & Zhou, Chenggang, 2021. "A macroeconomic theory of banking oligopoly," European Economic Review, Elsevier, vol. 138(C).
    • Handle: RePEc:eee:eecrev:v:138:y:2021:i:c:s0014292121001896
    DOI: 10.1016/j.euroecorev.2021.103864
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    2. Sholevar, Maryam & Harris, Laurence, 2019. "Mind the gap: A discussion paper on Financial Literacy, Financial behaviour and Financial Education : Is there any Gender Gap?," OSF Preprints b7zd6, Center for Open Science.
    3. Schneider, Andreas, 2020. "Credit cooperatives: Market structure, competition, and conduct. Exploring the case of Paraguay," MPRA Paper 102309, University Library of Munich, Germany.
    4. Kun Lv & Shurong Yu & Dian Fu & Jingwen Wang & Chencheng Wang & Junbai Pan, 2022. "The Impact of Financial Development and Green Finance on Regional Energy Intensity: New Evidence from 30 Chinese Provinces," Sustainability, MDPI, vol. 14(15), pages 1-29, July.
    5. Dong, Mei & Xiao, Sylvia Xiaolin, 2024. "Idle liquidity, CBDC and banking," European Economic Review, Elsevier, vol. 164(C).
    6. Altermatt, Lukas & Wang, Zijian, 2024. "Oligopoly banking, risky investment, and monetary policy," European Economic Review, Elsevier, vol. 164(C).
    7. Yerushalmi, Erez & Paladini, Stefania, 2023. "Blockchain in Financial Intermediation and Beyond: What are the Main Barriers for Widespread Adoption?," CAFE Working Papers 22, Centre for Accountancy, Finance and Economics (CAFE), Birmingham City Business School, Birmingham City University.
    8. Choi, Michael & Rocheteau, Guillaume, 2023. "A model of retail banking and the deposits channel of monetary policy," Journal of Monetary Economics, Elsevier, vol. 139(C), pages 127-147.

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    More about this item

    Keywords

    Banking; Oligopoly; Liquidity; Market frictions;
    All these keywords.

    JEL classification:

    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E51 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Money Supply; Credit; Money Multipliers
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill
    • L26 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Entrepreneurship

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