Externalities And Macroprudential Policy
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Externalities and Macroprudential Policy
Author: Mr.Gianni De Nicolo
language: en
Publisher: International Monetary Fund
Release Date: 2012-06-07
This note overviews macroprudential policy options that have been proposed to address the systemic risks experienced during the recent financial crisis. It contributes to the policy debate by providing a taxonomy of macroprudential policies in terms of the specific negative externalities in the financial system that these policies are meant to address, and discusses their interrelations and some key implementation issues.
Optimal Monetary and Macroprudential Policies Under Fire-Sale Externalities
Author: Flora Lutz
language: en
Publisher: International Monetary Fund
Release Date: 2023-03-10
I provide an integrated analysis of monetary and macroprudential policies in a model economy featuring a financial friction and a nominal wage rigidity. In this set-up, the monetary authority faces a trade-off between macroeconomic and financial stability: While expansionary counter-cyclical monetary policy prevents involuntary unemployment, it also amplifies an inefficient reallocation of capital across sectors. The main contribution of the analysis is threefold: First it highlights a novel channel through which monetary policy can impact financial stability. Second, it shows that, by itself, monetary policy can significantly mitigate the wedge between the constrained efficient and the competitive allocation. Third, regardless of the availability of macroprudential tools, stabilizing demand is usually not optimal for monetary policy.
Externalities and Macroprudential Policy
As for any form of government intervention, macroprudential policy should be justified by market failures. This paper discusses three key externalities across financial institutions and from financial institutions to the real economy that rationalize the need for macroprudential policy: externalities related to strategic complementarities, fire sales and interconnectedness. We link each externality to recently proposed macroprudential policy tools, and argue that although various tools can correct the same externality, these tools are best seen as complements rather than substitutes.