| Variable* | Coefficient | Std. Error | t-Statistic | Prob. |
| NERD(−1) | 0.0292 | 0.0089 | 3.2943 | 0.0022 |
| LGIRS | −0.2680 | 0.0622 | −4.3071 | 0.0001 |
| LCPI(−1) | 0.5101 | 0.1067 | 4.7801 | 0.0000 |
| C | −1.3104 | 0.5990 | −2.1876 | 0.0353 |