| Variables | PU | rjgdp | industry | urban | fin |
| PU | 1.000 |
|
|
|
|
| rjgdp | 0.453 | 1.000 |
|
|
|
| industry | 0.545 | 0.654 | 1.000 |
|
|
| urban | 0.409 | 0.931 | 0.730 | 1.000 |
|
| fin | 0.373 | 0.479 | 0.861 | 0.575 | 1.000 |