Finance Discipline Group
UTS Business School
University of Technology, Sydney

Working Paper Series

Title:
Nonlinear Phillips Curves, Complex Dynamics and Monetary Policy in a Keynesian Macro Model
Author(s): by Carl Chiarella, Peter Flaschel, G. Gong & Willi Semmler
Date of publication: October 2002
Working paper number: 120
Abstract:
In the framework of a Keynesian monetary macro model we study implications of kinked Phillips curves and alternative monetary policy rules. As alternative monetary policy rules we consider monetary growth targeting and interest rate targeting (the Taylor rule). Our monetary macro model exhibits: asset market clearing, disequilibrium in product and labor markets, sluggish price and quantity adjustments, two Phillips-Curves for wage and price dynamics, and a combination of medium-run adaptive and short-run forward looking expectations. Simulations of the model with our estimated parameters reveal global instability of its steady state. We show that monetary policy can stabilize the dynamics to some extent and that, in addition, an institutionally given kink in the money wage Phillips-Curve (downwardly rigid wages) represents a powerful mechanism for getting bounded, more or less irregular fluctuations in the place of purely explosive ones. The resulting fluctuations can be reduced in their size by choosing the parameters of monetary policy within a certain corridor, the exact position of which may however be very uncertain.
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Comments:

Published as: Chiarella, C., Flaschel, P., Gong, G. and Semmler, E., 2003, "Nonlinear Phillips Curves, Complex Dynamics and Monetary Policy in a Keynesian Macro Model", Chaos, Solitons & Fractals, 18(3), 613-634.

Known citations:

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Jian Gao & Gang Gong & Xue-Zhong He, 2007. "Monetary Policy and Exchange Rate Regime: Proposal for a Small and Less Developed Economy," Research Paper Series 199, Quantitative Finance Research Centre, University of Technology, Sydney.