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Table 8 Panel Unit Root Test Results of the Variables

From: Is health care a necessary or luxury product for Asian countries? An answer using panel approach

Variables

ADF Fisher Test for Panel Unit Root (Choi, 2001)

Null: Panels Contain Unit Roots(Individual)

Intercept

Intercept and Trend

ADF – Chi Z - Stat

Prob.

ADF – Choi Z - Stat

Prob.

GDP (Current US $)

17.79

1.000

6.66

1.000

D(GDP)

−4.45a

0.000

−11.03a

0.000

Health Care Expenditure (Current US $)

18.40

1.000

7.02

1.000

D(Health Care Expenditure)

−3.15a

0.000

−11.13a

0.000

Infant Mortality

−14.46a

0.000

2.39

0.991

D(Infant Mortality)

−1.46

0.072

−3.78a

0.000

Life Expectancy

−2.18

0.014

−1.15

0.123

D(Life Expectancy)

−11.65a

0.000

−13.95a

0.000

  1. Note: aIndicates 1% level of significance