Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

Key Rate and Loan Market in Russia

Version 1 : Received: 20 December 2021 / Approved: 21 December 2021 / Online: 21 December 2021 (11:27:08 CET)
Version 2 : Received: 21 December 2021 / Approved: 22 December 2021 / Online: 22 December 2021 (14:42:02 CET)

How to cite: Borodachev, S.M. Key Rate and Loan Market in Russia. Preprints 2021, 2021120321. Borodachev, S.M. Key Rate and Loan Market in Russia. Preprints 2021, 2021120321.


The paper proposes a mechanism for the impact of changes in the key rate on the volume of newly issued loans. The volume depends on the price (interest rates on loans), and the price depends on the key rate and the actual consumption of loans in the previous period (generalized cobweb cycle). The model was estimated by a Kalman filter, adequacy was confirmed by simulation. It is possible to forecast the average rate on loans for a month in advance according to the information published by the Central Bank of the Russian Federation (CB). By playing various scenarios for changing the key rate, it was found that in quiet periods of economic development, the usual laws of supply and demand operate in the loan market and by raising the key rate, you can reduce inflation. In the turbulent (overheated) state of the economy, an increase in the key rate can, on the contrary, provoke an increase in the issuance of loans and unconventional manipulations with the key rate are required.


cobweb cycle; money creation; inflation; Kalman filter; scenarios


Business, Economics and Management, Finance

Comments (1)

Comment 1
Received: 22 December 2021
Commenter: S. M. Borodachev
Commenter's Conflict of Interests: Author
Comment: Equations references were corrected.
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