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Asymmetric adjustment and smooth transitions: a combination of some unit root tests

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  • Robert Sollis

Abstract

Conventional Dickey-Fuller unit root tests have been generalized to allow for nonlinearity under the alternative hypothesis by Enders and Granger [Journal of Business Economics and Statistics, 16 (1998) 304] (EG) and Leybourne, Newbold and Vougas [Journal of Time Series Analysis, 19 (1998) 83] (LNV). EG focus on the case of asymmetric adjustment modelled as threshold autoregression, while LNV extend the concept of trend stationarity to that of stationarity around a smooth transition between deterministic linear trends. In this study, the EG and LNV methodologies are combined to develop tests of the null hypothesis of a unit root, that under the alternative hypothesis allow for stationary asymmetric adjustment around a smooth transition between deterministic linear trends. The empirical power of the combined tests is briefly investigated and an empirical application to time series on aggregate industrial production in the UK and the US is considered. Copyright 2004 Blackwell Publishing Ltd.

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Bibliographic Info

Article provided by Wiley Blackwell in its journal Journal of Time Series Analysis.

Volume (Year): 25 (2004)
Issue (Month): 3 (05)
Pages: 409-417

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Handle: RePEc:bla:jtsera:v:25:y:2004:i:3:p:409-417

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Cited by:
  1. Mubariz Hasanov & Aysen Arac & Funda Telatar, 2012. "Nonlinearity and Structural Stability in the Phillips Curve: Evidence from Turkey," Hacettepe University Department of Economics Working Papers 20123, Hacettepe University, Department of Economics.
  2. Russell Smyth, 2012. "Are fluctuations in energy variables permanent or transitory? A survey of the literature on the integration properties of energy consumption and production," Development Research Unit Working Paper Series 04-12, Monash University, Department of Economics.
  3. Chen, Shyh-Wei, 2014. "Smooth transition, non-linearity and current account sustainability: Evidence from the European countries," Economic Modelling, Elsevier, vol. 38(C), pages 541-554.
  4. Mubariz Hasanov, 2012. "Re-examining Purchasing Power Parity for the Australian Real Exchange Rate," Hacettepe University Department of Economics Working Papers 20124, Hacettepe University, Department of Economics.
  5. Pelin Oge Guney & Erdinc Telatar & Mubariz Hasanov, 2012. "Time Series Behaviour of the Real Interest Rates in Transition Economies," Hacettepe University Department of Economics Working Papers 20125, Hacettepe University, Department of Economics.
  6. Hasanov, Mübariz & Telatar, Erdinc, 2011. "A re-examination of stationarity of energy consumption: Evidence from new unit root tests," Energy Policy, Elsevier, vol. 39(12), pages 7726-7738.
  7. Antonio E. Noriega & Cid Alonso Rodríguez-Pérez, 2011. "Stationarity, structural breaks, and economic growth in Mexico: 1895-2008," Working Papers 2011-11, Banco de México.
  8. Barros, Carlos Pestana & Gil-Alana, Luis A. & Payne, James E., 2013. "U.S. Disaggregated renewable energy consumption: Persistence and long memory behavior," Energy Economics, Elsevier, vol. 40(C), pages 425-432.
  9. Landajo, Manuel & Presno, María José, 2010. "Nonparametric pseudo-Lagrange multiplier stationarity testing," MPRA Paper 25659, University Library of Munich, Germany.
  10. Omay, Tolga, 2012. "The comparison of optimization algorithms on unit root testing with smooth transition," MPRA Paper 42129, University Library of Munich, Germany.
  11. Muhammad, Shahbaz & Tiwari, Aviral Kumar & Khan, Saleheen, 2012. "Is Energy Consumption Per Capita Stationary? Evidence from First and Second Generation Panel Unit Root Tests," MPRA Paper 41607, University Library of Munich, Germany, revised 27 Sep 2012.
  12. Chen, Shyh-Wei, 2014. "Testing for fiscal sustainability: New evidence from the G-7 and some European countries," Economic Modelling, Elsevier, vol. 37(C), pages 1-15.

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