How Should Monetary Policy Respond to Asset-price Bubbles?
AbstractWe present a simple model of the macroeconomy that includes a role for an asset-price bubble, and derive optimal monetary policy settings for two policy-makers. The first policy-maker, a sceptic, does not attempt to forecast the future possible paths for the asset-price bubble when setting policy. The second policy-maker, an activist, takes into account the complete stochastic implications of the bubble when setting policy. We examine the optimal policy recommendations of these two policy-makers across a range of plausible assumptions about the bubble. We show that the optimal monetary policy recommendations of the activist depend on the detailed stochastic properties of the bubble. There are some circumstances in which the activist clearly recommends tighter policy than that of the sceptic, while in other cases, the appropriate recommendation is to be looser than the sceptic. Other things equal, the case for ‘leaning against’ a bubble with monetary policy is stronger the lower the probability of the bubble bursting of its own accord, the larger the efficiency losses associated with big bubbles, and the higher the assumed impact of monetary policy on the bubble process.
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Bibliographic InfoPaper provided by Reserve Bank of Australia in its series RBA Research Discussion Papers with number rdp2003-11.
Date of creation: Nov 2003
Date of revision:
Other versions of this item:
- David Gruen & Michael Plumb & Andrew Stone, 2003. "How Should Monetary Policy Respond to Asset-price Bubbles?," RBA Annual Conference Volume, in: Anthony Richards & Tim Robinson (ed.), Asset Prices and Monetary Policy Reserve Bank of Australia.
- David Gruen & Michael Plumb & Andrew Stone, 2005. "How Should Monetary Policy Respond to Asset-Price Bubbles?," International Journal of Central Banking, International Journal of Central Banking, vol. 1(3), December.
- Gruen, David & Plumb, Michael & Stone, Andrew, 2005. "How Should Monetary Policy Respond to Asset-Price Bubbles?," MPRA Paper 833, University Library of Munich, Germany.
- E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
- E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
- E60 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - General
This paper has been announced in the following NEP Reports:
- NEP-ALL-2003-11-23 (All new papers)
- NEP-CBA-2003-11-23 (Central Banking)
- NEP-FIN-2003-11-23 (Finance)
- NEP-MAC-2003-11-23 (Macroeconomics)
- NEP-MON-2003-11-23 (Monetary Economics)
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