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here is my results, please help me. Augmented Dickey-Fuller Test Equation Dependent Variable: D(LT) Exogenous: Constant LT(-1) -0.026234 0.026585 -0.986770 0.3248 D(LT(-1)) -0.454054 0.067348 -6.741852 0.0000 D(LT(-2)) -0.030725 0.073069 -0.420490 0.6745 D(LT(-3)) -0.015503 0.072202 -0.214724 0.8302...

my series names are LT and RE

with constant: LT and RE are NOT stationary[Constant term insignificant]
with constant and trend LT and RE are stationary( p value=0.0001) [ constant term and trend significant]

those series have unit root or not? how can i decide?

i could not download this book..it was not free book for every user..