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Monetary Policy Transmission, Central Bank Digital Currency, and Bank Market Power

Hanfeng Chen et al.

Journal of Economics and Statistics2025https://doi.org/10.1515/jbnst-2024-0008article
AJG 1ABDC B
Weight
0.44

Abstract

Interest rates on new central bank digital currencies (CBDCs) can be expected to enter the monetary policy toolkit soon. Using an extended Sidrauski (1967) model featuring an oligopsonistic banking sector, we study the complex transmission of interest rates on CBDC, which generally involve both direct and indirect effects. This is because a CBDC rate cut does not only affect the rate on the CBDC itself, but also induces the non-competitive deposit providers to adjust their spreads, as the new substitute for their products becomes relatively less attractive. A calibration exercise suggests that the indirect effects depend strongly on the sources of deposit market power: If driven by high concentration, they substantially amplify the aggregate effects of the CBDC policy rate, both in response to transitory shocks as well as regarding its long-run welfare effects. This contrasts them with policies directed at the banking sector which are weakened by a less competitive deposit market.

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https://doi.org/https://doi.org/10.1515/jbnst-2024-0008

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@article{hanfeng2025,
  title        = {{Monetary Policy Transmission, Central Bank Digital Currency, and Bank Market Power}},
  author       = {Hanfeng Chen et al.},
  journal      = {Journal of Economics and Statistics},
  year         = {2025},
  doi          = {https://doi.org/https://doi.org/10.1515/jbnst-2024-0008},
}

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Evidence weight

0.44

Balanced mode · F 0.40 / M 0.15 / V 0.05 / R 0.40

F · citation impact0.32 × 0.4 = 0.13
M · momentum0.57 × 0.15 = 0.09
V · venue signal0.50 × 0.05 = 0.03
R · text relevance †0.50 × 0.4 = 0.20

† Text relevance is estimated at 0.50 on the detail page — for your query’s actual relevance score, open this paper from a search result.