Variables

ADF Test

PP Test

Remark

Zivot-Andrew Test

Levels

1st Diff.

Levels

1st Diff.

Break

t-statistics

Remark

lnpob1

−0.3698

−4.7006***

−1.8738

−11.845***

I(1)

1990

−6.6202***

I(1)

lnpob2

−1.5462

−5.8752***

−2.0031

−6.3750***

I(1)

2007

−6.3756***

I(1)

lntl

−3.8359**

-

−4.0389**

-

I(0)

2005

−3.6873***

I(0)

lntrd

−2.9837

−5.6873***

−2.9264

−5.6577***

I(1)

1989

−6.8571***

I(1)

inc

−2.2322

−4.1618**

−3.8041**

−4.1618***

I(1)

2002

−4.7068***

I(1)

int

−3.3383

−8.7476***

−3.2569*

−8.8767***

I(1)

1994

−9.6249***

I(1)

inf

−3.8107**

-

−3.5704**

-

I(0)

1996

−7.3048***

I(0)