SBM meta-frontier environmental efficiency results of each region from 2004 to 2017
| Region | Province | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | Ave |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UYREB | Chongqing | 0.1397 | 0.1535 | 0.1686 | 0.194 | 0.2321 | 0.2337 | 0.2523 | 0.297 | 0.3036 | 0.2243 | 0.2537 | 0.2529 | 0.2647 | 0.2854 | 0.2325 |
| Guizhou | 1 | 1 | 1 | 1 | 1 | 0.3422 | 0.3331 | 1 | 1 | 0.2536 | 0.2906 | 0.292 | 0.3141 | 1 | 0.7018 | |
| Sichuan | 0.1915 | 0.1995 | 0.1867 | 0.186 | 0.2474 | 0.1923 | 0.214 | 0.265 | 0.2841 | 0.2297 | 0.2415 | 0.2652 | 0.2615 | 0.284 | 0.2320 | |
| Yunnan | 0.1287 | 0.1065 | 0.1025 | 0.117 | 0.1159 | 0.1025 | 0.0965 | 0.1079 | 0.1167 | 0.1024 | 0.0965 | 0.0999 | 0.098 | 0.1027 | 0.1067 | |
| MYREB | Hunan | 1 | 1 | 1 | 1 | 0.6579 | 0.4705 | 0.6278 | 1 | 1 | 0.7087 | 1 | 0.7142 | 0.875 | 1 | 0.8610 |
| Jiangxi | 1 | 1 | 1 | 0.8093 | 1 | 0.6674 | 0.565 | 0.5763 | 0.6286 | 0.4961 | 0.4851 | 0.4582 | 0.5108 | 0.5721 | 0.6978 | |
| Hubei | 0.2535 | 0.2534 | 0.2363 | 0.2546 | 0.3615 | 0.3411 | 0.4172 | 0.5103 | 0.5525 | 0.4007 | 0.4591 | 0.4882 | 0.4692 | 0.5842 | 0.3987 | |
| DYREB | Anhui | 1 | 0.9577 | 0.9113 | 0.7819 | 1 | 1 | 1 | 1 | 1 | 0.7739 | 1 | 0.5306 | 0.5215 | 0.5214 | 0.8570 |
| Jiangsu | 0.3464 | 0.5418 | 0.7252 | 1 | 1 | 0.6795 | 0.772 | 1 | 1 | 1 | 0.908 | 0.8419 | 0.8734 | 1 | 0.8349 | |
| Shanghai | 0.3325 | 0.3681 | 0.3924 | 0.4798 | 0.4913 | 0.3315 | 1 | 1 | 1 | 0.4953 | 1 | 0.6693 | 0.7029 | 1 | 0.6617 | |
| Zhenjiang | 0.3238 | 0.3512 | 0.4428 | 0.5149 | 0.5562 | 0.5205 | 0.6413 | 0.6814 | 0.6369 | 0.5776 | 0.601 | 0.6284 | 0.8839 | 1 | 0.5971 | |
| JingJinJi | Beijing | 0.1326 | 0.1155 | 0.116 | 0.1539 | 0.1408 | 0.1147 | 0.1556 | 0.1714 | 0.1398 | 0.1301 | 0.1289 | 0.1231 | 0.1228 | 0.1562 | 0.1358 |
| Tianjin | 1 | 1 | 1 | 1 | 1 | 0.9078 | 1 | 1 | 0.7634 | 0.6162 | 0.6565 | 0.5884 | 0.6442 | 1 | 0.8698 | |
| Hebei | 1 | 0.7546 | 0.8028 | 0.918 | 1 | 0.8199 | 0.8232 | 1 | 1 | 0.8739 | 1 | 0.9342 | 0.8483 | 1 | 0.9125 | |
| UYREB | Ave | 0.365 | 0.3649 | 0.3645 | 0.3743 | 0.3989 | 0.2177 | 0.224 | 0.4175 | 0.4261 | 0.2025 | 0.2206 | 0.2275 | 0.2346 | 0.418 | 0.3183 |
| UYREB | Ave | 0.7512 | 0.7511 | 0.7454 | 0.688 | 0.6731 | 0.493 | 0.5367 | 0.6955 | 0.727 | 0.5352 | 0.6481 | 0.5535 | 0.6183 | 0.7188 | 0.6525 |
| UYREB | Ave | 0.5007 | 0.5547 | 0.6179 | 0.6942 | 0.7619 | 0.6329 | 0.8533 | 0.9204 | 0.9092 | 0.7117 | 0.8773 | 0.6676 | 0.7454 | 0.8804 | 0.7377 |
| UYREB | Ave | 0.7109 | 0.6234 | 0.6396 | 0.6906 | 0.7136 | 0.6141 | 0.6596 | 0.7238 | 0.6344 | 0.5401 | 0.5951 | 0.5486 | 0.5384 | 0.7187 | 0.6394 |
| Region | Province | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | Ave |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UYREB | Chongqing | 0.1397 | 0.1535 | 0.1686 | 0.194 | 0.2321 | 0.2337 | 0.2523 | 0.297 | 0.3036 | 0.2243 | 0.2537 | 0.2529 | 0.2647 | 0.2854 | 0.2325 |
| Guizhou | 1 | 1 | 1 | 1 | 1 | 0.3422 | 0.3331 | 1 | 1 | 0.2536 | 0.2906 | 0.292 | 0.3141 | 1 | 0.7018 | |
| Sichuan | 0.1915 | 0.1995 | 0.1867 | 0.186 | 0.2474 | 0.1923 | 0.214 | 0.265 | 0.2841 | 0.2297 | 0.2415 | 0.2652 | 0.2615 | 0.284 | 0.2320 | |
| Yunnan | 0.1287 | 0.1065 | 0.1025 | 0.117 | 0.1159 | 0.1025 | 0.0965 | 0.1079 | 0.1167 | 0.1024 | 0.0965 | 0.0999 | 0.098 | 0.1027 | 0.1067 | |
| MYREB | Hunan | 1 | 1 | 1 | 1 | 0.6579 | 0.4705 | 0.6278 | 1 | 1 | 0.7087 | 1 | 0.7142 | 0.875 | 1 | 0.8610 |
| Jiangxi | 1 | 1 | 1 | 0.8093 | 1 | 0.6674 | 0.565 | 0.5763 | 0.6286 | 0.4961 | 0.4851 | 0.4582 | 0.5108 | 0.5721 | 0.6978 | |
| Hubei | 0.2535 | 0.2534 | 0.2363 | 0.2546 | 0.3615 | 0.3411 | 0.4172 | 0.5103 | 0.5525 | 0.4007 | 0.4591 | 0.4882 | 0.4692 | 0.5842 | 0.3987 | |
| DYREB | Anhui | 1 | 0.9577 | 0.9113 | 0.7819 | 1 | 1 | 1 | 1 | 1 | 0.7739 | 1 | 0.5306 | 0.5215 | 0.5214 | 0.8570 |
| Jiangsu | 0.3464 | 0.5418 | 0.7252 | 1 | 1 | 0.6795 | 0.772 | 1 | 1 | 1 | 0.908 | 0.8419 | 0.8734 | 1 | 0.8349 | |
| Shanghai | 0.3325 | 0.3681 | 0.3924 | 0.4798 | 0.4913 | 0.3315 | 1 | 1 | 1 | 0.4953 | 1 | 0.6693 | 0.7029 | 1 | 0.6617 | |
| Zhenjiang | 0.3238 | 0.3512 | 0.4428 | 0.5149 | 0.5562 | 0.5205 | 0.6413 | 0.6814 | 0.6369 | 0.5776 | 0.601 | 0.6284 | 0.8839 | 1 | 0.5971 | |
| JingJinJi | Beijing | 0.1326 | 0.1155 | 0.116 | 0.1539 | 0.1408 | 0.1147 | 0.1556 | 0.1714 | 0.1398 | 0.1301 | 0.1289 | 0.1231 | 0.1228 | 0.1562 | 0.1358 |
| Tianjin | 1 | 1 | 1 | 1 | 1 | 0.9078 | 1 | 1 | 0.7634 | 0.6162 | 0.6565 | 0.5884 | 0.6442 | 1 | 0.8698 | |
| Hebei | 1 | 0.7546 | 0.8028 | 0.918 | 1 | 0.8199 | 0.8232 | 1 | 1 | 0.8739 | 1 | 0.9342 | 0.8483 | 1 | 0.9125 | |
| UYREB | Ave | 0.365 | 0.3649 | 0.3645 | 0.3743 | 0.3989 | 0.2177 | 0.224 | 0.4175 | 0.4261 | 0.2025 | 0.2206 | 0.2275 | 0.2346 | 0.418 | 0.3183 |
| UYREB | Ave | 0.7512 | 0.7511 | 0.7454 | 0.688 | 0.6731 | 0.493 | 0.5367 | 0.6955 | 0.727 | 0.5352 | 0.6481 | 0.5535 | 0.6183 | 0.7188 | 0.6525 |
| UYREB | Ave | 0.5007 | 0.5547 | 0.6179 | 0.6942 | 0.7619 | 0.6329 | 0.8533 | 0.9204 | 0.9092 | 0.7117 | 0.8773 | 0.6676 | 0.7454 | 0.8804 | 0.7377 |
| UYREB | Ave | 0.7109 | 0.6234 | 0.6396 | 0.6906 | 0.7136 | 0.6141 | 0.6596 | 0.7238 | 0.6344 | 0.5401 | 0.5951 | 0.5486 | 0.5384 | 0.7187 | 0.6394 |
Source(s): Authors' own work
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