Table 3 Coefficient of variation of social expenditure growth
Tests | Total social expenditure | Education expenditure | Health expenditure | Social security expenditure | Housing and other expenditure |
|---|---|---|---|---|---|
Coefficient of variation 1991–2012 (average) | 1.496 | 1.341 | 1.067 | 1.677 | 0.524 |
Augmented Dickey–Fuller, z(t) | − 3.230** (0.018) | − 3.771*** (0.003) | − 3.586*** (0.006) | − 3.114** (0.025) | − 3.792*** (0.003) |
Phillips–Perron, z(t) | − 3.780*** (0.003) | − 5.452*** (0.000) | − 4.574*** (0.000) | − 4.553*** (0.000) | − 3.907*** (0.002) |