# China's Water Intensity Factor Decomposition and Water Usage Decoupling Analysis
## 3 Results
### The Decoupling Effect of Water Usage
#### 3.2.1 Decoupling Elasticity Index
Hebei and Ningxia Province  
\begin{table}
\begin{tabular}{c c c c c c c c c c} \hline \hline  & \multicolumn{4}{c}{**Technological Effect**} & \multicolumn{4}{c}{**Industrial Structure Effect**} & \multicolumn{4}{c}{**Regional Scale Effect**} \\ \cline{2-10}
**Province** & **Primary** & **Secondary** & **Tertiary** & **Primary** & **Industry** & **Secondary** & **Tertiary** & **Primary** & **Secondary** & **Tertiary** \\  & **Industry** & **Industry** & **Industry** & **Industry** & **Industry** & **Industry** & **Industry** & **Industry** & **Industry** \\ \hline Beijing & \(-0.06\) & \(-0.80\) & \(-1.27\) & \(-1.35\) & \(-0.18\) & \(0.12\) & \(0.11\) & \(0.04\) & \(0.09\) \\ Tianjin & \(-0.36\) & \(-0.37\) & \(-0.47\) & \(-0.56\) & \(-0.07\) & \(0.07\) & \(-0.03\) & \(-0.01\) & \(-0.01\) \\ Hebei & \(-9.62\) & \(-2.00\) & \(-2.00\) & \(-2.83\) & \(-0.17\) & \(0.32\) & \(-0.99\) & \(-0.15\) & \(-0.16\) \\ Shanxi & \(-2.25\) & \(-1.09\) & \(-0.65\) & \(-0.56\) & \(-0.04\) & \(0.05\) & \(0.06\) & \(0.02\) & \(0.01\) \\ Inner & \(-9.76\) & \(-0.73\) & \(-0.82\) & \(-3.88\) & \(0.02\) & \(0.07\) & \(1.11\) & \(0.07\) & \(0.07\) \\ Mongolia & \(-4.89\) & \(-1.68\) & \(-1.49\) & \(-0.45\) & \(-0.26\) & \(0.25\) & \(-1.75\) & \(-0.48\) & \(-0.45\) \\ Jilin & \(-3.16\) & \(-1.42\) & \(-0.71\) & \(-2.81\) & \(-0.05\) & \(0.11\) & \(-0.91\) & \(-0.16\) & \(-0.11\) \\ Heilongjiang & \(-14.13\) & \(-5.25\) & \(-1.24\) & \(5.12\) & \(-1.80\) & \(0.29\) & \(-5.20\) & \(-1.46\) & \(-0.38\) \\ Shanghai & \(-0.18\) & \(-4.81\) & \(-1.21\) & \(-0.98\) & \(-1.46\) & \(0.21\) & \(-0.08\) & \(-0.36\) & \(-0.09\) \\ Jiangsu & \(-13.85\) & \(-11.20\) & \(-4.31\) & \(-9.91\) & \(-1.11\) & \(0.66\) & \(2.51\) & \(1.61\) & \(0.46\) \\ Zhejiang & \(-6.41\) & \(-4.21\) & \(-2.70\) & \(-4.37\) & \(-0.46\) & \(0.52\) & \(0.48\) & \(0.21\) & \(0.15\) \\ Anhui & \(-5.89\) & \(0.91\) & \(-1.56\) & \(-5.01\) & \(-4.15\) & \(0.16\) & \(1.31\) & \(0.50\) & \(0.22\) \\ Fujian & \(-6.07\) & \(-4.34\) & \(-1.74\) & \(-3.88\) & \(0.12\) & \(0.13\) & \(0.90\) & \(0.36\) & \(0.19\) \\ Jiangxi & \(-8.36\) & \(-4.80\) & \(-1.68\) & \(-5.88\) & \(0.37\) & \(0.13\) & \(1.88\) & \(0.58\) & \(0.25\) \\ Shandong & \(-9.83\) & \(-3.25\) & \(-2.25\) & \(-4.43\) & \(-0.35\) & \(0.44\) & \(-0.33\) & \(-0.08\) & \(-0.06\) \\ Henan & \(-7.24\) & \(-3.54\) & \(-2.90\) & \(-4.23\) & \(-0.14\) & \(0.50\) & \(0.76\) & \(0.21\) & \(0.18\) \\ Hubei & \(-11.27\) & \(-6.91\) & \(-2.68\) & \(-3.90\) & \(-0.25\) & \(0.33\) & \(1.58\) & \(0.77\) & \(0.33\) \\ Hunan & \(-14.12\) & \(-5.00\) & \(-3.74\) & \(-6.12\) & \(0.11\) & \(0.32\) & \(1.84\) & \(0.47\) & \(0.34\) \\ Guangdong & \(-15.61\) & \(-8.39\) & \(-6.22\) & \(-6.82\) & \(-0.58\) & \(0.71\) & \(0.92\) & \(0.36\) & \(0.30\) \\ Guangxi & \(-15.95\) & \(-3.25\) & \(-2.82\) & \(-3.80\) & \(-0.13\) & \(0.35\) & \(1.07\) & \(0.19\) & \(0.16\) \\ Hainan & \(-2.32\) & \(-0.33\) & \(-0.46\) & \(-0.75\) & \(0.00\) & \(0.07\) & \(0.17\) & \(0.01\) & \(0.03\) \\ Chongqing & \(-1.10\) & \(-2.40\) & \(-1.29\) & \(-0.61\) & \(-0.05\) & \(0.13\) & \(0.32\) & \(0.32\) & \(0.22\) \\ Sichuan & \(-8.17\) & \(-4.69\) & \(-2.64\) & \(-3.84\) & \(-0.02\) & \(0.36\) & \(1.48\) & \(0.41\) & \(0.36\) \\ Guizhou & \(-4.08\) & \(-1.92\) & \(-1.78\) & \(-1.16\) & \(-0.06\) & \(0.21\) & \(1.18\) & \(0.43\) & \(0.37\) \\ Yunnan & \(-8.58\) & \(-1.57\) & \(-1.72\) & \(-1.62\) & \(-0.12\) & \(0.23\) & \(1.10\) & \(0.17\) & \(0.19\) \\ Tibet & \(-1.25\) & \(-0.09\) & \(-0.19\) & \(-1.26\) & \(0.02\) & \(0.01\) & \(0.52\) & \(0.02\) & \(0.05\) \\ Shaanxi & \(-4.39\) & \(-1.24\) & \(-1.01\) & \(-1.04\) & \(0.00\) & \(0.06\) & \(0.93\) & \(0.20\) & \(0.20\) \\ Gansu & \(-6.51\) & \(-1.40\) & \(-0.66\) & \(-1.17\) & \(-0.11\) & \(0.  
are strongly decoupled in the four stages, which shows that the popularization of water conservation policies in these two regions is relatively effective and should be maintained.