Investigating the Spatiotemporal Disparity and Influencing Factors of Urban Construction Land Utilization Efficiency: Empirical Evidence from Panel Data of China

Table 4

Gini coefficient and decomposition results of urban construction land utilization efficiency.

Year		2004	2008	2012	2016	Mean
Overall Gini coefficient		0.139	0.13	0.154	0.096	0.13
Within-group differences	Eastern	0.077	0.063	0.066	0.051	0.063
	Central	0.114	0.089	0.112	0.083	0.101
	Western	0.139	0.137	0.163	0.093	0.128
Between-group differences	E. versus C.	0.183	0.145	0.193	0.125	0.168
	E. versus W.	0.148	0.182	0.2	0.109	0.161
	C. versus W.	0.139	0.121	0.146	0.094	0.121
Contribution (%)	Within	25.13	22.9	56.18	24.49	25.62
	Between	55.82	62.14	33.36	57	57.57
	Transvariation	19.05	14.96	10.46	18.51	16.81