Scores of contemporary productivity
| DMU | Shipyards | 2014 | 2015 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Efficiency scores | Efficiency scores | ||||||||
| CCR | BCC | SE | RTS | CCR | BCC | SE | RTS* | ||
| (a) Shipyards of South Korea | |||||||||
| K1 | Daewoo | 0.574 | 1.000 | 0.574 | Constant | 1.000 | 1.000 | 1.000 | Decreasing |
| K2 | Samsung H.I. | 0.381 | 0.696 | 0.547 | Constant | 0.418 | 0.818 | 0.511 | Constant |
| K3 | Hyundai Mipo | 1.000 | 1.000 | 1.000 | Constant | 0.902 | 1.000 | 0.902 | Decreasing |
| K4 | SPP shipbuilding | 1.000 | 1.000 | 1.000 | Constant | 1.000 | 1.000 | 1.000 | Decreasing |
| K5 | Sungdong S.B. | 0.339 | 0.535 | 0.634 | Constant | 0.191 | 0.264 | 0.723 | Constant |
| K6 | STX shipbuild | 0.358 | 0.722 | 0.496 | Increasing | 0.440 | 0.464 | 0.948 | Increasing |
| K7 | Hyundai H.I. | 0.538 | 1.000 | 0.538 | Constant | 0.562 | 1.000 | 0.562 | Decreasing |
| K8 | Hyundai Samho | 0.419 | 0.656 | 0.639 | Constant | 0.408 | 0.742 | 0.550 | Decreasing |
| (b) Shipyards of China | |||||||||
| C1 | Shanghai Waigaoqiao | 0.655 | 0.978 | 0.670 | Decreasing | 0.483 | 0.856 | 0.564 | Constant |
| C2 | Jiangsu New YZJ | 1.000 | 1.000 | 1.000 | Decreasing | 1.000 | 1.000 | 1.000 | Decreasing |
| C3 | Hudong Zhonghua | 0.373 | 0.546 | 0.683 | Constant | 0.809 | 1.000 | 0.809 | Decreasing |
| C4 | Jiangsu Rongsheng | 0.104 | 0.576 | 0.181 | Constant | 0.030 | 0.227 | 0.132 | Constant |
| C5 | Chengxi shipyard | 0.172 | 0.429 | 0.401 | Constant | 1.000 | 1.000 | 1.000 | Decreasing |
| C6 | Weihai Samjin | 0.162 | 1.000 | 0.162 | Constant | 0.074 | 1.000 | 0.074 | Increasing |
| C7 | Jiangnan Changxing | 0.174 | 0.661 | 0.263 | Decreasing | 0.235 | 0.584 | 0.402 | Decreasing |
| (c) Shipyards of Japan | |||||||||
| J1 | Oshima S.B. Co. | 0.902 | 1.000 | 0.902 | Increasing | 1.000 | 1.000 | 1.000 | Constant |
| J2 | Imabari S.B. | 0.938 | 1.000 | 0.938 | Decreasing | 1.000 | 1.000 | 1.000 | Constant |
| J3 | Namura shipbuilding | 0.900 | 1.000 | 0.900 | Constant | 0.629 | 0.692 | 0.909 | Increasing |
| J4 | JMU Ariake shipyard | 1.000 | 1.000 | 1.000 | Decreasing | 0.501 | 1.000 | 0.501 | Increasing |
| J5 | Mitsubishi H.I. | 0.189 | 0.204 | 0.926 | Constant | 0.401 | 0.574 | 0.699 | Increasing |
| J6 | Tsuneishi Zosen | 1.000 | 1.000 | 1.000 | Decreasing | 1.000 | 1.000 | 1.000 | Constant |
| DMU | Shipyards | 2014 | 2015 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Efficiency scores | Efficiency scores | ||||||||
| CCR | BCC | SE | RTS | CCR | BCC | SE | RTS | ||
| K1 | Daewoo | 0.574 | 1.000 | 0.574 | Constant | 1.000 | 1.000 | 1.000 | Decreasing |
| K2 | Samsung H.I. | 0.381 | 0.696 | 0.547 | Constant | 0.418 | 0.818 | 0.511 | Constant |
| K3 | Hyundai Mipo | 1.000 | 1.000 | 1.000 | Constant | 0.902 | 1.000 | 0.902 | Decreasing |
| K4 | SPP shipbuilding | 1.000 | 1.000 | 1.000 | Constant | 1.000 | 1.000 | 1.000 | Decreasing |
| K5 | Sungdong S.B. | 0.339 | 0.535 | 0.634 | Constant | 0.191 | 0.264 | 0.723 | Constant |
| K6 | STX shipbuild | 0.358 | 0.722 | 0.496 | Increasing | 0.440 | 0.464 | 0.948 | Increasing |
| K7 | Hyundai H.I. | 0.538 | 1.000 | 0.538 | Constant | 0.562 | 1.000 | 0.562 | Decreasing |
| K8 | Hyundai Samho | 0.419 | 0.656 | 0.639 | Constant | 0.408 | 0.742 | 0.550 | Decreasing |
| C1 | Shanghai Waigaoqiao | 0.655 | 0.978 | 0.670 | Decreasing | 0.483 | 0.856 | 0.564 | Constant |
| C2 | Jiangsu New YZJ | 1.000 | 1.000 | 1.000 | Decreasing | 1.000 | 1.000 | 1.000 | Decreasing |
| C3 | Hudong Zhonghua | 0.373 | 0.546 | 0.683 | Constant | 0.809 | 1.000 | 0.809 | Decreasing |
| C4 | Jiangsu Rongsheng | 0.104 | 0.576 | 0.181 | Constant | 0.030 | 0.227 | 0.132 | Constant |
| C5 | Chengxi shipyard | 0.172 | 0.429 | 0.401 | Constant | 1.000 | 1.000 | 1.000 | Decreasing |
| C6 | Weihai Samjin | 0.162 | 1.000 | 0.162 | Constant | 0.074 | 1.000 | 0.074 | Increasing |
| C7 | Jiangnan Changxing | 0.174 | 0.661 | 0.263 | Decreasing | 0.235 | 0.584 | 0.402 | Decreasing |
| J1 | Oshima S.B. Co. | 0.902 | 1.000 | 0.902 | Increasing | 1.000 | 1.000 | 1.000 | Constant |
| J2 | Imabari S.B. | 0.938 | 1.000 | 0.938 | Decreasing | 1.000 | 1.000 | 1.000 | Constant |
| J3 | Namura shipbuilding | 0.900 | 1.000 | 0.900 | Constant | 0.629 | 0.692 | 0.909 | Increasing |
| J4 | JMU Ariake shipyard | 1.000 | 1.000 | 1.000 | Decreasing | 0.501 | 1.000 | 0.501 | Increasing |
| J5 | Mitsubishi H.I. | 0.189 | 0.204 | 0.926 | Constant | 0.401 | 0.574 | 0.699 | Increasing |
| J6 | Tsuneishi Zosen | 1.000 | 1.000 | 1.000 | Decreasing | 1.000 | 1.000 | 1.000 | Constant |
Note: *RTS denotes return to scale
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