Table 2 Correlation matrix.
| Â | CPI | DCF | FDINI | GDPPG | SMC | STTR |
|---|---|---|---|---|---|---|
CPI | ||||||
 Coefficient | 1.000 |  |  |  |  |  |
 t-test | – |  |  |  |  |  |
 Sig | – |  |  |  |  |  |
DCF | ||||||
 Coefficient |  − 0.215 | 1.000 |  |  |  |  |
 t-test |  − 4.170 | – |  |  |  |  |
 Sig | 0.000 | – |  |  |  |  |
FDINI | ||||||
 Coefficient |  − 0.085 | 0.171 | 1.000 |  |  |  |
 t-test |  − 1.619 | 3.289 | – |  |  |  |
 Sig | 0.106 | 0.001 | – |  |  |  |
GDPPG | ||||||
 Coefficient | 0.027 |  − 0.142 |  − 0.035 | 1.000 |  |  |
 t-test | 0.511 |  − 2.720 |  − 0.674 | – |  |  |
 Sig | 0.609 | 0.006 | 0.500 | – |  |  |
SMC | ||||||
 Coefficient |  − 0.244 | 0.352 | 0.154 | 0.076 | 1.000 |  |
 t-test |  − 4.774 | 7.129 | 2.958 | 1.448 | – |  |
 Sig | 0.000 | 0.000 | 0.003 | 0.148 | – |  |
STTR | ||||||
 Coefficient |  − 0.078 | 0.116 |  − 0.014 | 0.025 |  − 0.089 | 1.000 |
 t-test |  − 1.486 | 2.225 |  − 0.282 | 0.483 |  − 1.705 | – |
 Sig | 0.137 | 0.026 | 0.777 | 0.6292 | 0.088 | – |