The Impact of Spatial Structure on Economic Efficiency of Beijing-Tianjin-Hebei Megalopolis in China

Table 3

Results of dispersion degree of Beijing-Tianjin-Hebei Metropolitan (2008–2017).

Cities	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	Mean
Beijing	0.405	0.405	0.403	0.405	0.407	0.628	0.628	0.629	0.635	0.642	0.519
Tianjin	0.672	0.686	0.689	0.699	0.715	0.667	0.667	0.684	0.685	0.685	0.685
Shijiazhuang	0.552	0.557	0.559	0.560	0.544	0.681	0.581	0.578	0.576	0.577	0.577
Tangshan	0.589	0.586	0.587	0.587	0.587	0.585	0.584	0.584	0.582	0.584	0.586
Qinhuangdao	0.514	0.514	0.519	0.520	0.519	0.520	0.517	0.510	0.512	0.549	0.519
Handan	0.666	0.664	0.664	0.665	0.667	0.661	0.660	0.660	0.678	0.678	0.666
Xingtai	0.903	0.905	0.906	0.906	0.905	0.909	0.900	0.900	0.898	0.900	0.903
Baoding	0.734	0.733	0.736	0.736	0.736	0.726	0.724	0.726	0.726	0.726	0.730
Zhangjiakou	0.708	0.709	0.710	0.712	0.720	0.713	0.713	0.713	0.708	0.735	0.714
Chengde	0.850	0.843	0.817	0.816	0.815	0.815	0.814	0.814	0.814	0.867	0.827
Cangzhou	0.887	0.886	0.887	0.886	0.881	0.883	0.888	0.887	0.886	0.884	0.886
Langfang	0.852	0.856	0.856	0.856	0.857	0.857	0.854	0.853	0.852	0.852	0.855
Hengshui	0.809	0.809	0.810	0.810	0.809	0.809	0.809	0.808	0.807	0.798	0.808
SD	0.134	0.134	0.132	0.132	0.132	0.102	0.107	0.107	0.106	0.105	0.119
Max	0.903	0.905	0.906	0.906	0.905	0.909	0.900	0.900	0.898	0.900	0.903
Min	0.405	0.405	0.403	0.405	0.407	0.520	0.517	0.510	0.512	0.549	0.463
Mean	0.703	0.704	0.703	0.704	0.705	0.727	0.718	0.719	0.720	0.729	0.713