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Unit-Root Tests and the Statistical Pitfalls of Seasonal Adjustment: The Case of U.S. Postwar Real Gross National Product

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  • Ghysels, Eric

Abstract

Unit-root tests applied to the postwar seasonally adjusted quarterly gross national product series strongly support the null hypothesis of the presence of a unit root in the data-generating process. Evidence reported here with seasonally unadjusted data is far less conclusive. It is explained why seasonal-adjustment procedures may alter the outcome of conventional tests.

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Bibliographic Info

Article provided by American Statistical Association in its journal Journal of Business and Economic Statistics.

Volume (Year): 8 (1990)
Issue (Month): 2 (April)
Pages: 145-52

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Handle: RePEc:bes:jnlbes:v:8:y:1990:i:2:p:145-52

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Cited by:
  1. Raimundo Soto & Matías Tapia, 2001. "Seasonal cointegration and the stability of the demand for money," Working Papers Central Bank of Chile 103, Central Bank of Chile.
  2. Jan J.J. Groen, 1998. "The Monetary Exchange Rate Model as a Long-Run Phenomenon," Tinbergen Institute Discussion Papers 98-082/2, Tinbergen Institute.
  3. Caraballo Pou, M. Angeles & Dabus, Carlos, 2008. "Nominal rigidities, skewness and inflation regimes," Research in Economics, Elsevier, vol. 62(1), pages 16-33, March.
  4. Artur Da Silva Lopes, 2004. "Deterministic Seasonality In Dickey-Fuller Tests: Should We Care?," Royal Economic Society Annual Conference 2004 75, Royal Economic Society.
  5. Ignacio Mauleón & Mª Mar Sánchez, 2000. "Fundamentals Of The Us And The Uk Interest Rates Under The Rational Expectation Scheme," Working Papers. Serie AD 2000-20, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie).
  6. Sriram, Subramanian S., 2002. "Determinants and stability of demand for M2 in Malaysia," Journal of Asian Economics, Elsevier, vol. 13(3), pages 337-356.
  7. Mª Ángeles Caraballo Pou & Carlos Dabús, 2005. "Nominal rigidities, relative prices and skewness," Economic Working Papers at Centro de Estudios Andaluces E2005/17, Centro de Estudios Andaluces.
  8. Muhd-Zulkhibri Abdul Majid, 2004. "Reassessing The Stability of Broad Money Demand in Malaysia," Macroeconomics 0405020, EconWPA.

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