Eco-Efficiency Measurement of Green Buildings and Its Spatial and Temporal Differences Based on a Three-Stage Superefficient SBM-DEA Model

Table 5

Mean measurement results of eco-efficiency of green buildings in stages 1 and 3.

Region		Phase 1		Phase 3
		Efficiency value	Sort	Efficiency value	Sort
East	Beijing	1.267	4	0.963	8
	Tianjin	0.636	17	0.643	12
	Heibei	0.436	24	0.797	11
	Liaoning	0.882	8	0.539	20
	Shanghai	1.330	3	1.062	4
	Jiangsu	1.543	1	1.371	1
	Zhejiang	1.409	2	1.137	3
	Fujian	0.468	22	0.620	14
	Shandong	0.550	19	1.027	6
	Guangdong	0.667	12	1.196	2
	Hainan	0.534	20	0.492	24
	Average	0.884	—	0.895	—
Middle	Shanxi	0.650	14	0.559	18
	Jilin	0.572	18	0.564	17
	Heilongjiang	0.654	13	0.372	27
	Anhui	0.413	26	0.545	19
	Jiangxi	0.873	9	0.594	15
	Henan	0.923	7	1.046	5
	Hubei	1.045	6	0.954	9
	Hunan	0.504	21	0.589	16
	Average	0.704	—	0.653	—
West	Neimenggu	0.772	11	0.365	28
	Guangxi	0.421	25	0.525	21
	Chongqing	1.206	5	0.841	10
	Sichuan	0.814	10	0.639	13
	Guizhou	0.641	15	0.523	22
	Yunnan	0.445	23	0.513	23
	Shanxi	0.637	16	1.002	7
	Gansu	0.288	30	0.461	25
	Qinghai	0.347	29	0.327	30
	Ningxia	0.411	27	0.352	29
	Xinjiang	0.379	28	0.392	26
	Average	0.578	—	0.540	—
National average		0.724	—	0.701	—