Research Article
The Productivity Dynamics of China’s Environmentally Friendly Production Technologies in terms of Wastewater Treatment Techniques
Table 1
Descriptive statistics of the variables, 2002–2015.
| Variables | Units | Mean | Std.D. | Min | Max | Median | Obs. |
| K | Billion Yuan | 2755 | 2518 | 129 | 13882 | 1977 | 420 | L | Thousand Person | 24667 | 16325 | 2470 | 66360 | 20605 | 420 | W | Billion Cubic meters | 20 | 14 | 2 | 59 | 18 | 420 | Real GDP | Billion Yuan | 900 | 849 | 32 | 4795 | 643 | 420 | WD | Million tce | 1962 | 1580 | 111 | 9115 | 1491 | 420 |
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