| Variables |
lag |
ADF Test Statistic |
1%* |
5%* |
10%* |
| drug expenditure |
1 |
2.86 |
-3.83 |
-3.02 |
-2.65 |
| Number of physician |
1 |
-3.89 |
-3.83 |
-3.02 |
-2.65 |
| general physician visit tariff |
1 |
4.17 |
-3.83 |
-3.02 |
-2.65 |
| specialist visits tariff |
1 |
3.028 |
-3.83 |
3.029- |
-2.65 |
| subspecialist visits tariff |
2 |
2.69 |
-3.85 |
-3.04 |
-2.69 |
| urban household’s income |
0 |
7.42 |
-3.80 |
-3.01 |
-2.65 |
| drug price index |
1 |
3.69 |
- 3.83 |
-3.02 |
-2.65 |
| inflation rate |
1 |
-2.28 |
-3.83 |
-3.02 |
-2.65 |
*MacKinnon critical values |
