| Technical Efficiency | Pure Technical Efficiency | ||||||
---|---|---|---|---|---|---|---|---|
 | CRS | Bias corrected | Lower bound | Upper bound | VRS | Bias corrected | Lower bound | Upper bound |
Model I (base) | 0.708 | 0.662 | 0.584 | 0.707 | 0.989 | 0.974 | 0.907 | 0.989 |
Model II | 0.620 | 0.584 | 0.528 | 0.618 | 0.974 | 0.956 | 0.889 | 0.974 |
Model III | 0.655 | 0.610 | 0.538 | 0.654 | 0.975 | 0.955 | 0.901 | 0.975 |
Model IV | 0.708 | 0.663 | 0.586 | 0.707 | 0.989 | 0.973 | 0.909 | 0.988 |
Model V | 0.615 | 0.583 | 0.534 | 0.614 | 0.967 | 0.948 | 0.887 | 0.966 |
Model VI | 0.655 | 0.613 | 0.539 | 0.654 | 0.956 | 0.928 | 0.869 | 0.955 |
Model VII | 0.384 | 0.351 | 0.294 | 0.384 | 0.869 | 0.845 | 0.796 | 0.868 |
Model VIII | 0.526 | 0.509 | 0.434 | 0.526 | 0.857 | 0.826 | 0.773 | 0.856 |
Mean | 0.609 | 0.572 | 0.505 | 0.608 | 0.947 | 0.926 | 0.866 | 0.946 |
Median | 0.637 | 0.597 | Â | Â | 0.971 | 0.951 | Â | Â |
Minimum | 0.384 | 0.351 | Â | Â | 0.857 | 0.826 | Â | Â |
Maximum | 0.708 | 0.663 | Â | Â | 0.989 | 0.974 | Â | Â |