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On the application of the rank tests for nonlinear cointegration to PPP: The case of Papua New Guinea

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  • Liew, Venus Khim-Sen
  • Ling, Tai-Hu
  • Chia, Ricky Chee-Jiun
  • Yoon, Gawon

Abstract

Much interest has been paid recently to the nonlinear cointegrating relations existing among economic variables. Various testing procedures are already available to test for the existence of nonlinear cointegration. For example, Breitung (2001) proposes rank tests and his testing procedure has been broadly applied. In this study, we warn against a blind application of the rank cointegration tests, particularly to economic variables that evidence certain behavior. As an illustration, we employ the nominal exchange rates and relative prices of Papua New Guinea against her major trading partners with the objective of testing the validity of purchasing power parity for the country. Our simulation results also confirm our warnings. Additionally, we provide some simple solutions to the problem we encounter herein.

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Bibliographic Info

Article provided by Elsevier in its journal Economic Modelling.

Volume (Year): 29 (2012)
Issue (Month): 2 ()
Pages: 326-332

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Handle: RePEc:eee:ecmode:v:29:y:2012:i:2:p:326-332

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Web page: http://www.elsevier.com/locate/inca/30411

Related research

Keywords: Nonlinearity; Cointegration; Rank tests; Purchasing power parity;

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References

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  1. Xiao-Ming Li, 2006. "A Revisit Of International Stock Market Linkages: New Evidence From Rank Tests For Nonlinear Cointegration," Scottish Journal of Political Economy, Scottish Economic Society, vol. 53(2), pages 174-197, 05.
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  3. Marmer, Vadim, 2009. "Nonlinearity, Nonstationarity, and Spurious Forecasts," Microeconomics.ca working papers vadim_marmer-2009-60, Vancouver School of Economics, revised 03 Nov 2009.
  4. Breitung, Jorg, 2001. "Rank Tests for Nonlinear Cointegration," Journal of Business & Economic Statistics, American Statistical Association, vol. 19(3), pages 331-40, July.
  5. Hong, Seung Hyun & Phillips, Peter C. B., 2010. "Testing Linearity in Cointegrating Relations With an Application to Purchasing Power Parity," Journal of Business & Economic Statistics, American Statistical Association, vol. 28(1), pages 96-114.
  6. Qiying Wang & Peter C.B. Phillips, 2008. "Structural Nonparametric Cointegrating Regression," Cowles Foundation Discussion Papers 1657, Cowles Foundation for Research in Economics, Yale University.
  7. Saikkonen, Pentti & Choi, In, 2004. "Cointegrating Smooth Transition Regressions," Econometric Theory, Cambridge University Press, vol. 20(02), pages 301-340, April.
  8. Guneratne B. Wickremasinghe, 2005. "Purchasing Power Parity of Papua New Guinea: evidence from the floating exchange rate regime," Applied Financial Economics Letters, Taylor and Francis Journals, vol. 1(6), pages 335-338, November.
  9. Ioannis Kasparis & Peter C.B. Phillips, 2009. "Dynamic Misspecification in Nonparametric Cointegrating Regression," Cowles Foundation Discussion Papers 1700, Cowles Foundation for Research in Economics, Yale University.
  10. Qiying Wang & Peter C.B. Phillips, 2006. "Asymptotic Theory for Local Time Density Estimation and Nonparametric Cointegrating Regression," Cowles Foundation Discussion Papers 1594, Cowles Foundation for Research in Economics, Yale University.
  11. Serena Ng & Pierre Perron, 1997. "Lag Length Selection and the Construction of Unit Root Tests with Good Size and Power," Boston College Working Papers in Economics 369, Boston College Department of Economics, revised 01 Sep 2000.
  12. Venus Khim-Sen Liew & Hock-Ann Lee & Kian-Ping Lim, 2009. "Purchasing power parity in Asian economies: further evidence from rank tests for cointegration," Applied Economics Letters, Taylor & Francis Journals, vol. 16(1), pages 51-54.
  13. Choi, In & Saikkonen, Pentti, 2010. "Tests For Nonlinear Cointegration," Econometric Theory, Cambridge University Press, vol. 26(03), pages 682-709, June.
  14. Alfred Haug & Syed Basher, 2011. "Linear or nonlinear cointegration in the purchasing power parity relationship?," Applied Economics, Taylor & Francis Journals, vol. 43(2), pages 185-196.
  15. In Choi & Pentti Saikkonen, 2004. "Testing linearity in cointegrating smooth transition regressions," Econometrics Journal, Royal Economic Society, vol. 7(2), pages 341-365, December.
  16. Engle, Robert F & Granger, Clive W J, 1987. "Co-integration and Error Correction: Representation, Estimation, and Testing," Econometrica, Econometric Society, vol. 55(2), pages 251-76, March.
  17. Guneratne Wickremasinghe, 2009. "Are real exchange rates of Papua New Guinea mean-reverting? Evidence from panel unit root tests," Applied Economics Letters, Taylor & Francis Journals, vol. 16(2), pages 157-161.
  18. Liew, Venus Khim-Sen & Chia, Ricky Chee-Jiun & Ling, Tai-Hu, 2009. "Long-run validity of purchasing power parity and rank tests for cointegration for Central Asian Countries," MPRA Paper 15794, University Library of Munich, Germany.
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Cited by:
  1. Phiri, Andrew, 2014. "Purchasing power parity (PPP) between South Africa and her main currency exchange partners: Evidence from asymmetric unit root tests and threshold co-integration analysis," MPRA Paper 53659, University Library of Munich, Germany.
  2. Ricky Chee Jiun Chia & Shiok Ye Lim & Sheue Li Ong, 2014. "Long-Run Validity of Purchasing Power Parity and Cointegration Analysis for Low Income African Countries," Economics Bulletin, AccessEcon, vol. 34(3), pages 1438-1447.

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