Macroprudential and Monetary Policies with an Imperfectly Competitive Banking Sector

41 Pages Posted: 24 Mar 2020 Last revised: 20 Sep 2021

See all articles by Nimrod Segev

Nimrod Segev

Bank of Israel - Research Department

Date Written: September 14, 2021

Abstract

This paper studies the effect of bank competition on the optimal use of monetary and macroprudential policies. To this end, I develop a New Keynesian DSGE model with collateral constraints and an imperfect competitive banking sector. The results from the model demonstrate that the degree of competition in the banking sector has a sizable impact on the optimal mix of monetary and macroprudential policies. Specifically, the gains from a leaning-against-the-wind monetary policy are substantially smaller when the banking sector is less competitive. Results suggest that, from a policy perspective, monitoring the level of bank competition is crucial when the objective is to promote financial and economic stability.

Keywords: Monetary policy, Macroprudential policy, DSGE models, Financial frictions, Financial stability, Banking competition

JEL Classification: E32, E44, E52, E58, E61, G28

Suggested Citation

Segev, Nimrod, Macroprudential and Monetary Policies with an Imperfectly Competitive Banking Sector (September 14, 2021). Available at SSRN: https://ssrn.com/abstract=3545519 or http://dx.doi.org/10.2139/ssrn.3545519

Nimrod Segev (Contact Author)

Bank of Israel - Research Department ( email )

PO Box 780
Jerusalem 91007
Israel

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