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Table 3 Summary unit root test

From: The impact of government policies on Nigeria economic growth (case of fiscal, monetary and trade policies)

Variables

ADF

DF

PP

At level

 

LGDPPC

− 0.60

− 0.28

− 0.29

LGEXP

***− 4.64

− 1.02

***− 4.66

LGREV

− 2.47

− 0.30

***− 4.23

INTR

**− 3.61

**− 2.18

***− 3.69

MS

*− 2.62

− 1.16

− 2.21

TRO

− 2.91

− 1.61

0.06

LGCF

***− 3.72

− 1.16

***0.01

First difference

LGDPPC

***− 0.41

***− 3.53

***− 4.06

LGEXP

***− 7.31

***− 7.42

***− 7.13

LGREV

***− 5.91

***− 5.09

***− 5.91

INTR

***− 6.89

***− 4.09

**3.49

MS

**− 3.48

***− 3.16

***− 9.47

TRO

***− 7.37

***− 7.44

***− 7.59

INST*FD

***− 4.09

***− 4.09

***− 4.27

  1. *10%,**5%, ***1%