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Testing For Unit Roots Using Economics

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  • ROMULO CHUMACERO

Abstract

This paper considers the economic implications of having unit roots in stochastic processes of variables like consumption or GDP. Using a variety of models, we develop indirect tests for unit roots based on sharp distinctions that should arise when the scale variable is either difference stationary or trend stationary. These tests are seen to avoid the undesirable size-power trade-off that characterizes traditional UR tests. They are applied to a wide variety of countries.

Suggested Citation

  • Romulo Chumacero, 2001. "Testing For Unit Roots Using Economics," Computing in Economics and Finance 2001 2, Society for Computational Economics.
    • Handle: RePEc:sce:scecf1:2
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    References listed on IDEAS

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    Cited by:

    1. Rómulo A. Chumacero, 2005. "A Toolkit for Analyzing Alternative Policies in the Chilean Economy," Central Banking, Analysis, and Economic Policies Book Series, in: Rómulo A. Chumacero & Klaus Schmidt-Hebbel & Norman Loayza (Series Editor) & Klaus Schmidt-Hebbel (S (ed.),General Equilibrium Models for the Chilean Economy, edition 1, volume 9, chapter 8, pages 261-302, Central Bank of Chile.
    2. Alberto Humala, 2005. "Interest rate pass-through and financial crises: do switching regimes matter? the case of Argentina," Applied Financial Economics, Taylor & Francis Journals, vol. 15(2), pages 77-94.
    3. Raimundo Soto M. & Matías Tapia G., 2000. "Seasonal Cointegration in Money Demand," Journal Economía Chilena (The Chilean Economy), Central Bank of Chile, vol. 3(3), pages 57-71, December.
    4. Rómulo Chumacero Escudero, 2000. "Se busca una raíz unitaria: evidencia para Chile," Estudios de Economia, University of Chile, Department of Economics, vol. 27(1 Year 20), pages 55-68, June.
    5. Solange Berstein & J. Rodrigo Fuentes, 2004. "Is There Lendign Rate Stickiness in the Chilean Banking Industry?," Central Banking, Analysis, and Economic Policies Book Series, in: Luis Antonio Ahumada & J. Rodrigo Fuentes & Norman Loayza (Series Editor) & Klaus Schmidt-Hebbel (Se (ed.),Banking Market Structure and Monetary Policy, edition 1, volume 7, chapter 6, pages 183-210, Central Bank of Chile.

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    More about this item

    Keywords

    Unit Root; Trend; General Equilibrium; Interest Rates.;
    All these keywords.

    JEL classification:

    • C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Hypothesis Testing: General
    • C15 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Statistical Simulation Methods: General
    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects

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