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Some cautions on the use of nonlinear panel unit root tests: Evidence from a modified series-specific non-linear panel unit-root test

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  • Lau, Chi Keung Marco
  • Suvankulov, Farrukh
  • Su, Yongyang
  • Chau, Frankie

Abstract

The purpose of this paper is to examine the relevance of applying nonlinear panel unit root test to examine the non-linear mean reversion behaviors of real exchange rates. We find that nonlinear panel unit root test may achieve lower power performance as compared to its alternative of linear panel unit test when the data generating process does not contain significant non-linear components. This finding post cautions to researchers in modeling and testing real exchanges behavior. We also develop a modified series-specific nonlinear panel unit root test and find evidence in favor of purchasing power parity hypothesis for China's four ASEAN trading partners in the period of February 1997 to August 2009.

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  • Lau, Chi Keung Marco & Suvankulov, Farrukh & Su, Yongyang & Chau, Frankie, 2012. "Some cautions on the use of nonlinear panel unit root tests: Evidence from a modified series-specific non-linear panel unit-root test," Economic Modelling, Elsevier, vol. 29(3), pages 810-816.
    • Handle: RePEc:eee:ecmode:v:29:y:2012:i:3:p:810-816
    DOI: 10.1016/j.econmod.2011.08.006
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    Cited by:

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    2. Meher Manzur, 2018. "Exchange rate economics is always and everywhere controversial," Applied Economics, Taylor & Francis Journals, vol. 50(3), pages 216-232, January.
    3. Mulatu F. Zehirun & Marthinus C. Breitenbach & Francis M. Kemegue, 2015. "Assessment of Monetary Union in SADC: Evidence from Cointegration and Panel Unit Root Tests," Working Papers 201502, University of Pretoria, Department of Economics.
    4. Boršič Darja & Bekő Jani, 2018. "Purchasing power parity in ASEAN+3: an application of panel unit root tests," Croatian Review of Economic, Business and Social Statistics, Sciendo, vol. 4(1), pages 42-52, June.
    5. Vinh Q. T. Dang & Yu (Alan) Yang, 2017. "Assessing Market Integration in ASEAN with Retail Price Data," Pacific Economic Review, Wiley Blackwell, vol. 22(4), pages 510-532, October.
    6. Marco Lau & Yongyang Su & Na Tan & Zhe Zhang, 2014. "Hedging China’s energy oil market risks," Eurasian Economic Review, Springer;Eurasia Business and Economics Society, vol. 4(1), pages 99-112, June.
    7. Charfeddine, Lanouar & Khediri, Karim Ben & Aye, Goodness C. & Gupta, Rangan, 2018. "Time-varying efficiency of developed and emerging bond markets: Evidence from long-spans of historical data," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 505(C), pages 632-647.
    8. Apergis, Nicholas & Lau, Marco Chi Keung, 2015. "Structural breaks and electricity prices: Further evidence on the role of climate policy uncertainties in the Australian electricity market," Energy Economics, Elsevier, vol. 52(PA), pages 176-182.
    9. Ying, Yung-hsiang & Lee, Wenli & Chang, Koyin, 2020. "Mandate-based welfare policies and the effect on real wage – The case of Taiwan," Economic Modelling, Elsevier, vol. 90(C), pages 417-427.
    10. Dutta, Anupam & Bouri, Elie & Noor, Md Hasib, 2018. "Return and volatility linkages between CO2 emission and clean energy stock prices," Energy, Elsevier, vol. 164(C), pages 803-810.
    11. Mulatu Fekadu Zerihun & Marthinus C. Breitenbach, 2017. "Panel Data Analysis of the Proposed Monetary Union in the Southern African Development Community," SPOUDAI Journal of Economics and Business, SPOUDAI Journal of Economics and Business, University of Piraeus, vol. 67(4), pages 23-44, October-D.
    12. Bilgin, Mehmet Huseyin & Gozgor, Giray & Lau, Chi Keung Marco & Sheng, Xin, 2018. "The effects of uncertainty measures on the price of gold," International Review of Financial Analysis, Elsevier, vol. 58(C), pages 1-7.
    13. Batten, Jonathan A. & Brzeszczynski, Janusz & Ciner, Cetin & Lau, Marco C.K. & Lucey, Brian & Yarovaya, Larisa, 2019. "Price and volatility spillovers across the international steam coal market," Energy Economics, Elsevier, vol. 77(C), pages 119-138.
    14. Bekő Jani & Boršič Darja, 2018. "Testing the Purchasing Power Parity Hypothesis: Case of ASEAN Economies," Naše gospodarstvo/Our economy, Sciendo, vol. 64(4), pages 74-85, December.

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    More about this item

    Keywords

    Monte Carlo Simulation; Panel non-linear panel unit root test; Real exchange rate; ASEAN countries;
    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
    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data; Spatio-temporal Models

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