Macroprudential Policy in a Fisherian Model of Financial Innovation
AbstractThe interaction between credit frictions, financial innovation, and a switch from optimistic to pessimistic beliefs played a central role in the 2008 financial crisis. This paper develops a quantitative general equilibrium framework in which this interaction drives the financial amplification mechanism to study the effects of macroprudential policy. Financial innovation enhances the ability of agents to collateralize assets into debt, but the riskiness of this new regime can only be learned over time. Beliefs about transition probabilities across states with high and low ability to borrow change as agents learn from observed realizations of financial conditions. At the same time, the collateral constraint introduces a pecuniary externality, because agents fail to internalize the effect of their borrowing decisions on asset prices. Quantitative analysis shows that the effectiveness of macroprudential policy in this environment depends on the government's information set, the tightness of credit constraints, and the pace at which optimism surges in the early stages of financial innovation. The policy is least effective when the government is as uninformed as private agents, credit constraints are tight, and optimism builds quickly.
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Bibliographic InfoArticle provided by Palgrave Macmillan in its journal IMF Economic Review.
Volume (Year): 60 (2012)
Issue (Month): 2 (July)
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Web page: http://www.palgrave-journals.com/
Postal: Palgrave Macmillan Journals, Subscription Department, Houndmills, Basingstoke, Hampshire RG21 6XS, UK
Other versions of this item:
- Javier Bianchi & Emine Boz & Enrique G. Mendoza, 2012. "Macro-prudential Policy in a Fisherian Model of Financial Innovation," IMF Working Papers 12/181, International Monetary Fund.
- Javier Bianchi & Emine Boz & Enrique G. Mendoza, 2012. "Macro-Prudential Policy in a Fisherian model of Financial Innovation," NBER Working Papers 18036, National Bureau of Economic Research, Inc.
- D62 - Microeconomics - - Welfare Economics - - - Externalities
- D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
- E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
- E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
- F32 - International Economics - - International Finance - - - Current Account Adjustment; Short-term Capital Movements
- F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics
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