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Future Business Journal

Table 1 Unit root test

From: Impact of CO2 emission on life expectancy in India: an autoregressive distributive lag (ARDL) bound test approach

Test

LXP

CO2

GLOBCO2

 

At level

At 1st difference

At level

At 1st difference

At level

At 1st difference

Augmented Dickey–Fuller test (ADF)

 − 7.65*

–

2.06

 − 3.98*

 − 0.35

 − 3.723*

Philips–Perron test

 − 3.77*

–

3.39

3.978*

 − 0.46

 − 3.68*

DF-GLS test

3.32**

–

2.3

− 5.29*

 − 0.67

 − 3.39*

  1. * and ** indicate significance at 1% and 5%
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