Optimal monetary policy and financial stability in a non-Ricardian economy
This paper develops a model with discontinuous asset market participation, in which all agents are infinitely-lived and non-Ricardian, and where heterogeneity among market participants implies financial-wealth effects on aggregate consumption. Derivation of a welfare-based loss function shows that financial stability arises as an additional and independent target, besides infl ation and output stability. Evaluation of optimal policy under discretion and commitment reveals that price stability may no longer be optimal, even absent inefficient supply shocks: some fluctuations in output and infl ation are optimal as long as they reduce financial instability. Ignoring the heterogeneity among market participants in this economy may lead monetary policy to induce substantially higher welfare losses.
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- Giorgio Di Giorgio & Salvatore Nistico, 2007. "Monetary Policy and Stock Prices in an Open Economy," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 39(8), pages 1947-1985, December.
- Stephen G. Cecchetti & Hans Genberg & Sushil Wadhwani, 2002. "Asset Prices in a Flexible Inflation Targeting Framework," NBER Working Papers 8970, National Bureau of Economic Research, Inc.
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