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Table 2 Model with linear time trend and possible breaks in the intercept and slope

From: Rubber world price transmission to Ivorian producer prices: an analysis in the presence of structural breaks

 

Break 1

Break 2

DF-GLS

\(MZ_{\alpha }^{GLS}\)

M S B GLS

\(MZ_{t}^{GLS}\)

P w

2009–2008

2002–2011

−2.731

−20.589

0.142

−2.924

Critical values (5%)

  

−3.858

−30.164

0.128

−3.858

P d

2008–2008

2003–2011

−1.728

−8.267

0.201

−1.665

Critical values (5%)

  

−3.861

−30.209

0.128

−3.861

  1. We cannot reject the null hypothesis of unit root with presence of breaks