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Consumer choices under new payment methods

Author

Listed:
  • Jaemin Son

    (Sungkyunkwan University)

  • Mehmet Huseyin Bilgin

    (Istanbul Medeniyet University)

  • Doojin Ryu

    (Sungkyunkwan University)

Abstract

This study suggests a payment portfolio model that includes new payment methods that have emerged from the development of cryptocurrency markets and central bank digital currencies (CBDCs). Our model analyzes the optimal payment choice for consumers under various macroeconomic conditions. We determine that an individual economic agent chooses payment methods under specific conditions by incorporating policy interest rates on CBDCs and stablecoins used on cryptocurrency exchanges. We analyze the impacts of CBDCs and stablecoins on the choice of whether to use cash or deposits. We also examine how the agent changes her portfolio compositions in response to exogenous macroeconomic policies. If a government replaces cash with a CBDC, the convenience of digital currency would not affect consumer choices. The higher the government’s interest rate on CBDCs, the more consumers will use CBDCs than deposits.

Suggested Citation

  • Jaemin Son & Mehmet Huseyin Bilgin & Doojin Ryu, 2022. "Consumer choices under new payment methods," Financial Innovation, Springer;Southwestern University of Finance and Economics, vol. 8(1), pages 1-22, December.
    • Handle: RePEc:spr:fininn:v:8:y:2022:i:1:d:10.1186_s40854-022-00387-w
    DOI: 10.1186/s40854-022-00387-w
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    References listed on IDEAS

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    Cited by:

    1. Huosong Xia & Yangmei Gao & Justin Zuopeng Zhang, 2023. "Understanding the adoption context of China’s digital currency electronic payment," Financial Innovation, Springer;Southwestern University of Finance and Economics, vol. 9(1), pages 1-27, December.
    2. Wang, Zhan-ao & Samuel, Ribeiro-Navarrete & Chen, Xiao-qian & Xu, Bing & Huang, Wei-lun, 2023. "Central bank digital currencies: Consumer data-driven sustainable operation management policy," Technological Forecasting and Social Change, Elsevier, vol. 196(C).
    3. Leonardo Bargigli & Filippo Pietrini, 2024. "Conformism, distinction and heterogeneity in an agent-based model of fads," Journal of Economic Interaction and Coordination, Springer;Society for Economic Science with Heterogeneous Interacting Agents, vol. 19(4), pages 807-829, October.
    4. Xin, Baogui & Jiang, Kai & Santibanez Gonzalez, Ernesto D.R., 2024. "The coevolution effect of central bank digital currency and green bonds on the net-zero economy," Energy Economics, Elsevier, vol. 134(C).
    5. Son, Jaemin & Ryu, Doojin & Webb, Robert I., 2023. "Central bank digital currency: Payment choices and commercial bank profitability," International Review of Financial Analysis, Elsevier, vol. 90(C).
    6. Grossman, Ori & Rachamim, Matti, 2024. "How can coffee shops draw customers back after COVID-19? the influence of psychological distance on coffee versus tea preference," Journal of Business Research, Elsevier, vol. 172(C).

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    More about this item

    Keywords

    Central bank digital currency; Cryptocurrency; Payment portfolio model; Stablecoin;
    All these keywords.

    JEL classification:

    • E41 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Demand for Money
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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