Chatelain, JeanBernard and Ralf, Kirsten (2014): Stability and Identification with Optimal Macroprudential Policy Rules.
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Abstract
This paper investigates the identification, the determinacy and the stability of ad hoc, "quasioptimal" and optimal policy rules augmented with financial stability indicators (such as asset prices deviations from their fundamental values) and minimizing the volatility of the policy interest rates, when the central bank precommits to financial stability. Firstly, ad hoc and quasioptimal rules parameters of financial stability indicators cannot be identified. For those rules, non zero policy rule parameters of financial stability indicators are observationally equivalent to rule parameters set to zero in another rule, so that they are unable to inform monetary policy. Secondly, under controllability conditions, optimal policy rules parameters of financial stability indicators can all be identified, along with a bounded solution stabilizing an unstable economy as in Woodford (2003), with determinacy of the initial conditions of non predetermined variables.
Item Type:  MPRA Paper 

Original Title:  Stability and Identification with Optimal Macroprudential Policy Rules 
Language:  English 
Keywords:  Identification; Financial Stability; Optimal Policy under Commitment; Augmented Taylor rule; Monetary Policy. 
Subjects:  C  Mathematical and Quantitative Methods > C6  Mathematical Methods ; Programming Models ; Mathematical and Simulation Modeling > C61  Optimization Techniques ; Programming Models ; Dynamic Analysis C  Mathematical and Quantitative Methods > C6  Mathematical Methods ; Programming Models ; Mathematical and Simulation Modeling > C62  Existence and Stability Conditions of Equilibrium E  Macroeconomics and Monetary Economics > E4  Money and Interest Rates > E43  Interest Rates: Determination, Term Structure, and Effects E  Macroeconomics and Monetary Economics > E4  Money and Interest Rates > E44  Financial Markets and the Macroeconomy E  Macroeconomics and Monetary Economics > E4  Money and Interest Rates > E47  Forecasting and Simulation: Models and Applications E  Macroeconomics and Monetary Economics > E5  Monetary Policy, Central Banking, and the Supply of Money and Credit > E52  Monetary Policy E  Macroeconomics and Monetary Economics > E5  Monetary Policy, Central Banking, and the Supply of Money and Credit > E58  Central Banks and Their Policies 
Item ID:  55293 
Depositing User:  JeanBernard Chatelain 
Date Deposited:  14. Apr 2014 15:50 
Last Modified:  14. Apr 2014 16:44 
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URI:  https://mpra.ub.unimuenchen.de/id/eprint/55293 
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Stability and Identification with Optimal Macroprudential Policy Rules. (deposited 14. Apr 2014 15:12)
 Stability and Identification with Optimal Macroprudential Policy Rules. (deposited 14. Apr 2014 15:50) [Currently Displayed]