Research Article

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
1999200020012002200320042005200620072008

10.40750.40530.37740.40620.35720.39860.29440.25140.25630.2684
20.18940.19530.17540.18540.20420.27190.19530.19060.22340.2358
30.12810.14530.13000.13520.14290.18660.14700.14210.14840.1738
40.16910.18610.12730.13790.17580.21770.21400.22190.22900.2123
50.27980.30150.28450.32000.28530.33720.25040.24320.23330.2264
60.92621.00001.00001.00001.00000.77190.31530.72880.67150.5600
70.14140.14100.12400.13150.13810.20250.12400.11860.12900.1510
80.11220.12310.11980.08740.15300.20640.16110.14170.14160.1712
90.13310.15100.14280.22570.13070.12920.13920.16310.15350.1386
100.74470.83670.81550.65960.83920.78210.77010.83290.80430.7755
110.56970.79350.80440.84500.93251.00001.00001.00001.00001.0000
120.67570.68620.68830.83290.80440.94080.63670.65040.71110.8167
130.75100.79670.83400.97411.00001.00001.00001.00001.00001.0000
141.00001.00001.00001.00000.99440.96290.82700.74020.72110.7528

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.