| Levin-Lin-Chu test | Maddalla-Wu test | |||||
Lags | t-value | t-star | P > t | Lags | Chi2 | P > Chi2 | |
Personal income | 1 | −23.158 | −10.349 | 0.0000 | 2 | 342.625 | 0.0000 |
Population | 0 | −17.454 | −6.362 | 0.0000 | 0 | 290.850 | 0.0000 |