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Testing the assumption of Linearity

  • Theodore Panagiotidis


    (Department of Economics & Finance, Brunel University)

The assumption of linearity is tested using five statistical tests for the US and the Canadian unemployment rates. An AR(p) model was used to remove any linear structure from the series. Strong evidence in favour of non-linearity was found in the case of Canada. The result for the US is not so clear cut.

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Article provided by AccessEcon in its journal Economics Bulletin.

Volume (Year): 3 (2002)
Issue (Month): 29 ()
Pages: 1-9

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Handle: RePEc:ebl:ecbull:eb-02c20007
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  1. Brooks, C. & Henry, O.T., 1999. "Can Portemanteau Nonlinearity Tests Serve as General Mis-Specification Tests? Evidence from Symmetric and Asymmetric GARCH Models," Department of Economics - Working Papers Series 723, The University of Melbourne.
  2. Brooks, Chris & Heravi, Saeed M, 1999. "The Effect of (Mis-Specified) GARCH Filters on the Finite Sample Distribution of the BDS Test," Computational Economics, Society for Computational Economics, vol. 13(2), pages 147-62, April.
  3. Dibooglu, Selahattin & Enders, Walter, 2001. "Do Real Wages Respond Asymmetrically to Unemployment Shocks? Evidence from the U.S. and Canada," Journal of Macroeconomics, Elsevier, vol. 23(4), pages 495-515, October.
  4. Engle, Robert F, 1982. "Autoregressive Conditional Heteroscedasticity with Estimates of the Variance of United Kingdom Inflation," Econometrica, Econometric Society, vol. 50(4), pages 987-1007, July.
  5. Potter, Simon M, 1999. " Nonlinear Time Series Modelling: An Introduction," Journal of Economic Surveys, Wiley Blackwell, vol. 13(5), pages 505-28, December.
  6. Brock, William A. & Sayers, Chera L., 1988. "Is the business cycle characterized by deterministic chaos?," Journal of Monetary Economics, Elsevier, vol. 22(1), pages 71-90, July.
  7. Frank, Murray Z. & Stengos, Thanasis, 1988. "Some evidence concerning macroeconomic chaos," Journal of Monetary Economics, Elsevier, vol. 22(3), pages 423-438.
  8. Gary Koop & Simon M. Potter, 1998. "Dynamic asymmetries in US unemployment," ESE Discussion Papers 15, Edinburgh School of Economics, University of Edinburgh.
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