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Home > Research > Staff Working Paper No. 584: Macroprudential policy under uncertainty - Saleem Bahaj and Angus Foulis
 

Staff Working Paper No. 584: Macroprudential policy under uncertainty - Saleem Bahaj and Angus Foulis

29 January 2016

​Macroprudential policy under uncertainty
Saleem Bahaj and Angus Foulis

We argue that the uncertainty over the impact of macroprudential policy need not make a policymaker more cautious. Our starting point is the classic result of Brainard (1967) which finds that uncertainty over the impact of a policy instrument will make a policymaker less active. This result is challenged in a series of richer models designed to take into account the more complex reality faced by a macroprudential policymaker. We find that the presence of unquantifiable sources of risk, potential asymmetries in policy objectives, the ability to learn from policy actions, and private sector uncertainty over policy objectives can all lead to more active policy in the face of uncertainty.

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