Output and the Term Structure of Interest Rates: Ways Out of th Jump-Variable Conundrum

Carl Chiarella, Peter Flaschel, Reiner Franke and Willi Semmler

No 125, Working Paper Series from Finance Discipline Group, UTS Business School, University of Technology, Sydney

Abstract: In this paper we reconsider a model of Blanchard and Fisher which reformulated Keynesian IS-LM analysis from the perspective of a richer array of financial assets, namely short-term and long-term bonds, and thus from the perspective of the term structure of interest rates. The basic change in this extension of the IS-LM approach is that investment demand (and also consumption demand) now depend on the long-term rate of interest in the palce of the short-term rate. This implies that the IS-curve and the LM-curve are no longer situated in the same diagram, but have to be linked via the dynamics of long-term bond prices (in the approach of Blanchard and Fischer based on perfect substitutes, perfect foresight and the jump variable technique), thereby creating one of the links for the real-financial interaction to be investigated, the dynamic multiplier process and thw conventional LM curve representing the other one. Based on this dynamic interaction of real and financial markets we will reflect the outcomes achieved by Blanchard and Fischer from the perspective of imperfect substitutes and mypoic perfect foresight. We derive on this basis alternatives to the conventional jump variable technique and its treatment of unanticipated and anticipated monetary and fiscal policy, which are global in nature and do not depend on well-behaved stable manifolds in an essentially local analysis of saddlepoint instability as in the case for the jump variable technique.

Keywords: real-financial interaction; term structure of interest rates; jump variable technique; postulated stability; relaxation oscillations; phase diagram switching (search for similar items in EconPapers)
JEL-codes: E12 E43 E44 (search for similar items in EconPapers)
Date: 2003-04-01
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Citations: View citations in EconPapers (1)

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