Financial Newspapers have for long suggested that the Fed tends to provide additional Liquidity when the Stock Market thumbs. We provide a theoretical Explanation for this Behaviour that builds on the Methodology developed by Romaniuk (2008) for a central Banker with two main Goals, Output and Price stability. In this Paper, the Policymaker behaves as a Portfolio Manager who aims at stabilizing Output, Goods Prices, as well as Asset Prices. An optimal, Time-varying Interest Rate Rule is obtained as the Merton's (1971) continuous Time Solution to the Portfolio Manager's Problem. In a second Step, we infer the optimal Interest Rate Rule of a central Bank that can react differently to positive and negative Variations in the Stock Market.
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Paper provided by ESSEC Research Center, ESSEC Business School in its series ESSEC Working Papers with number
DR 08006.
Find related papers by JEL classification: C61 - Mathematical and Quantitative Methods - - Mathematical Methods and Programming - - - Optimization Techniques; Programming Models; Dynamic Analysis E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Glenn Rudebusch & Lars E.O. Svensson, 1999.
"Policy Rules for Inflation Targeting,"
NBER Chapters,
in: Monetary Policy Rules, pages 203-262
National Bureau of Economic Research, Inc.
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