Table 3.
Original DEA and Bias-corrected Efficiency Scores.
| Mean | Std. | Min | Max | DMUs | |
|---|---|---|---|---|---|
| Original DEA Efficiency Scores | |||||
| Overall | 0.7891 | 0.1637 | 0.4164 | 1.0000 | 124 |
| East | 0.8308 | 0.1732 | 0.4779 | 1.0000 | 52 |
| Central | 0.7604 | 0.1437 | 0.4164 | 1.0000 | 56 |
| West | 0.7541 | 0.1776 | 0.5098 | 1.0000 | 16 |
| Bias-Corrected Efficiency Scores | |||||
| Overall | 0.7208 | 0.1409 | 0.3906 | 0.9615 | 124 |
| East | 0.7688 | 0.1600 | 0.4496 | 0.9615 | 52 |
| Central | 0.6990 | 0.1148 | 0.3906 | 0.9474 | 56 |
| West | 0.6414 | 0.1050 | 0.4733 | 0.8185 | 16 |
Note: We used 200 replications for the first bootstrap of the double-bootstrapped procedure to obtain the bias-corrected efficiency scores. DEA, data envelopment analysis; DMUs, decision-making units.