Measuring the Productivity of Energy Consumption of Major Industries in China: A DEA-Based Method
Table 2
Input-oriented CRS efficiency of sectors from 1999 to 2008.
Sector
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
1
0.4075
0.4053
0.3774
0.4062
0.3572
0.3986
0.2944
0.2514
0.2563
0.2684
2
0.1894
0.1953
0.1754
0.1854
0.2042
0.2719
0.1953
0.1906
0.2234
0.2358
3
0.1281
0.1453
0.1300
0.1352
0.1429
0.1866
0.1470
0.1421
0.1484
0.1738
4
0.1691
0.1861
0.1273
0.1379
0.1758
0.2177
0.2140
0.2219
0.2290
0.2123
5
0.2798
0.3015
0.2845
0.3200
0.2853
0.3372
0.2504
0.2432
0.2333
0.2264
6
0.9262
1.0000
1.0000
1.0000
1.0000
0.7719
0.3153
0.7288
0.6715
0.5600
7
0.1414
0.1410
0.1240
0.1315
0.1381
0.2025
0.1240
0.1186
0.1290
0.1510
8
0.1122
0.1231
0.1198
0.0874
0.1530
0.2064
0.1611
0.1417
0.1416
0.1712
9
0.1331
0.1510
0.1428
0.2257
0.1307
0.1292
0.1392
0.1631
0.1535
0.1386
10
0.7447
0.8367
0.8155
0.6596
0.8392
0.7821
0.7701
0.8329
0.8043
0.7755
11
0.5697
0.7935
0.8044
0.8450
0.9325
1.0000
1.0000
1.0000
1.0000
1.0000
12
0.6757
0.6862
0.6883
0.8329
0.8044
0.9408
0.6367
0.6504
0.7111
0.8167
13
0.7510
0.7967
0.8340
0.9741
1.0000
1.0000
1.0000
1.0000
1.0000
1.0000
14
1.0000
1.0000
1.0000
1.0000
0.9944
0.9629
0.8270
0.7402
0.7211
0.7528
1: manufacture of textile; 2: manufacture of paper and paper products; 3: manufacture of raw chemical materials and chemical products; 4: manufacture of chemical fibers; 5: manufacture of rubber; 6: manufacture of plastics; 7: manufacture of nonmetallic mineral products; 8: smelting and pressing of ferrous metals; 9: smelting and pressing of nonferrous metals; 10: manufacture of metal products; 11: manufacture of general purpose machinery; 12: manufacture of special purpose machinery; 13: manufacture of transport equipment; 14: construction.