Table 1: Stationarity tests.

Variables test

−7.1042*
/ −3.9429*
−3.9391*
−4.7238*
−4.5677*
−1.7115
−1.4254
Gr(self/ )−4.8996*
Gr(old/ )−1.8367
−2.7462
−2.4599
−6.9874*
−9.0995*

Notes: *significant at the 10 percent level.
The critical value for the test with constant and trend at the 10 percent significance level is −3.132.