| Variable name | Observed value | Mean | Standard deviation | Minimum | Maximum |
Labor-intensive | w
| 144 144 | 1.6344 15.6958 | 0.3487 2.3766 | 0.8382 8.2820 | 2.6708 18.5572 |
| 144 144 | 14.5722 9.6767 | 1.6333 0.9751 | 10.5431 6.8916 | 17.1131 11.6107 | |
Capital-intensive | w
| 168 168 | 1.5510 16.8861 | 0.4775 1.4460 | 0.9714 11.8504 | 3.8792 19.4236 |
| 168 168 | 16.8149 11.3866 | 1.2910 0.9323 | 13.7362 9.4516 | 19.2012 13.1335 |