Determinacy and Expectational Stability of Equilibrium in a Monetary Sticky-Price Model with Taylor Rule

Takushi Kurozumi

No 06-E-2, Bank of Japan Working Paper Series from Bank of Japan

Abstract: Recent studies show that the Taylor rule possesses desirable properties in terms of generating determinacy and E-stability of rational expectations equilibria under sticky prices. This paper examines whether this policy rule retains these properties within a discrete-time money-in-utility-function model, employing three timings of money balances of the utility function that the existing literature contains: end-of-period timing and two types of cash-in-advance timing. This paper shows: (i) Even a small degree of non-separability of the utility function between consumption and real balances causes the Taylor rule to be much more likely to induce indeterminacy or E-instability if this rule responds not only to inflation but also to output or the output gap; (ii) Differences among the three timings strongly alter conditions for the Taylor rule to ensure both determinacy and E-stability.

Keywords: Determinacy; E-stability; Monetary model; Taylor rule; Taylor principle (search for similar items in EconPapers)
JEL-codes: E52 (search for similar items in EconPapers)
Date: 2006-02
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (40)

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Journal Article: Determinacy and expectational stability of equilibrium in a monetary sticky-price model with Taylor rule (2006)
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