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Revealing the naked truth behind price determinacy, infinite-horizon rational expectations, and inflation targeting

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  • Eagle, David

Abstract

The economic profession should demand that that price-determinacy literature adhere to normal academic standards and burdens of proof. By presenting two examples where the non-exploding criterion fails miserably, we demonstrate that that criterion does not universally apply. Therefore, the previous price-determinacy literature has the burden to prove that the non-explosive criterion does apply, but has not met and probably cannot meet that burden. This paper looks at an economy with an arbitrarily large, but finite horizon and concludes that inflation targeting leads to price indeterminacy even with a Taylor-like feedback rule for setting the nominal interest rate.

Suggested Citation

  • Eagle, David, 2007. "Revealing the naked truth behind price determinacy, infinite-horizon rational expectations, and inflation targeting," MPRA Paper 1538, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:1538
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    File URL: https://mpra.ub.uni-muenchen.de/1885/1/MPRA_paper_1885.pdf
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    References listed on IDEAS

    as
    1. Carlstrom, Charles T. & Fuerst, Timothy S., 2001. "Timing and real indeterminacy in monetary models," Journal of Monetary Economics, Elsevier, vol. 47(2), pages 285-298, April.
    2. Bennett McCallum, 1999. "Role of the Minimal State Variable Criterion in Rational Expectations Models," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 6(4), pages 621-639, November.
    3. Ovidiu L. Calin & Yu Chen & Thomas F. Cosimano & Alex A. Himonas, 2005. "Solving Asset Pricing Models when the Price-Dividend Function Is Analytic," Econometrica, Econometric Society, vol. 73(3), pages 961-982, May.
    4. McCallum, Bennett T., 1981. "Price level determinacy with an interest rate policy rule and rational expectations," Journal of Monetary Economics, Elsevier, vol. 8(3), pages 319-329.
    5. Blanchard, Olivier Jean & Kahn, Charles M, 1980. "The Solution of Linear Difference Models under Rational Expectations," Econometrica, Econometric Society, vol. 48(5), pages 1305-1311, July.
    6. Dittmar, Robert D. & Gavin, William T., 2005. "Inflation-targeting, price-path targeting and indeterminacy," Economics Letters, Elsevier, vol. 88(3), pages 336-342, September.
    7. Sargent, Thomas J & Wallace, Neil, 1975. ""Rational" Expectations, the Optimal Monetary Instrument, and the Optimal Money Supply Rule," Journal of Political Economy, University of Chicago Press, vol. 83(2), pages 241-254, April.
    8. Lucas, Robert E, Jr, 1978. "Asset Prices in an Exchange Economy," Econometrica, Econometric Society, vol. 46(6), pages 1429-1445, November.
    Full references (including those not matched with items on IDEAS)

    More about this item

    Keywords

    non-explosive criterion; price determinacy; inflation targeting; stability criterion; saddle-point criterion; infinite-horizon economies; pegging the interest rate;

    JEL classification:

    • E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies

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