[Retracted] Regional Variation in the Carbon Dioxide Emission Efficiency of Construction Industry in China: Based on the Three-Stage DEA Model

Table 4

The carbon dioxide emission efficiency of regional construction industry in the first stage DEA.

	2010			2011			2012			2013			2014			2015			2016			2017			2018			2019
	TE	PTE	SE	TE	PTE	SE	TE	PTE	SE	TE	PTE	SE	TE	PTE	SE	TE	PTE	SE	TE	PTE	SE	TE	PTE	SE	TE	PTE	SE	TE	PTE	SE
Eastern region	0.81	0.82	0.98	0.70	0.82	0.83	0.77	0.84	0.91	0.80	0.84	0.96	0.84	0.86	0.98	0.83	0.83	1.00	0.82	0.83	1.00	0.80	0.81	0.99	0.84	0.85	1.00	0.87	0.87	1.00
Middle region	0.71	0.72	0.98	0.58	0.71	0.81	0.70	0.75	0.92	0.72	0.74	0.97	0.78	0.79	0.99	0.74	0.75	1.00	0.74	0.74	0.99	0.71	0.72	0.99	0.69	0.69	0.99	0.72	0.73	0.99
Western region	0.71	0.77	0.94	0.54	0.67	0.79	0.65	0.73	0.89	0.69	0.74	0.93	0.75	0.79	0.96	0.73	0.74	0.98	0.68	0.71	0.96	0.60	0.64	0.95	0.58	0.63	0.94	0.62	0.66	0.95
Mean	0.75	0.78	0.97	0.61	0.74	0.81	0.70	0.77	0.90	0.74	0.78	0.95	0.79	0.81	0.98	0.77	0.78	0.99	0.75	0.76	0.98	0.71	0.72	0.98	0.71	0.73	0.97	0.74	0.76	0.98

Note. TE refers technical efficiency, PTE refers pure technical efficiency, SE refers scale efficiency, TE = PTE SE.