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STAR unit root test e os preços da cana-de-açúcar no Brasil: evidências empíricas não lineares


  • Cleyzer Adrian da Cunha

    () (FACE-UFG, Ciências Econômicas)

  • Alcido Elenor Wander



The empirical models of analysis of non stationarity vis-à-vis the stationarity have been well explored in studies on time series. However, the same literature considers those issues in linear models, without considering the possibility of non linearity in time series behavior. Thus, this study analyzed the behavior of time series of sugar cane prices using the non linear unit root test KSS (Smooth Transition Autoregressive – STAR) by KAPETANIOS, SHIN e SNELL (2003).

Suggested Citation

  • Cleyzer Adrian da Cunha & Alcido Elenor Wander, 2009. "STAR unit root test e os preços da cana-de-açúcar no Brasil: evidências empíricas não lineares," Working papers - Textos para Discussao do Curso de Ciencias Economicas da UFG 001, Curso de Ciencias Economicas da Universidade Federal de Goias - FACE.
  • Handle: RePEc:ufb:wpaper:001

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    non linear unit root test; time series; prices;

    JEL classification:

    • C01 - Mathematical and Quantitative Methods - - General - - - Econometrics

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