| variable: | capital input | cost of raw material | liability with interest | tap water supply |
| capital input | 1.000 |
|
|
|
| cost of raw material | 0.7412*** | 1.000 |
|
|
| liability with interest | 0.3993*** | 0.8380*** | 1.000 |
|
| tap water supply | 0.8527*** | 0.8953*** | 0.7290*** | 1.000 |