Group of countries | Exponent μ (Equation (8)) | Sig. | Slope m (Equation (9)) | Sig. |
46 European countries | 0.3378 | 0.000 | 0.0181 | 0.000 |
31 EEA countries | 0.3382 | 0.000 | 0.0183 | 0.001 |
27 EU countries | 0.3384 | 0.000 | 0.0188 | 0.004 |
19 EZ countries | 0.2947 | 0.000 | 0.0187 | 0.036 |
15 non-EU TCEE countries | 0.0031 |
| 0.0003 |
|