The Comparison and Modeling of the Driving Factors of Urban Expansion for Thirty-Five Big Cities in the Three Regions in China

Table 3

Urban expansion and driving factors in 1990–2010 in China.

Item	(1990–2010)	(1990–1995)	(1995–2000)	(2000–2005)	(2005–2010)
Population increment, POPI	0.2038	0.3304	0.0782	0.0752	−0.0616
GDP increment, GDPI	0.0841	0.0838	0.7161	0.0091	0.0047
Investment increment in capital construction, IICC	−0.0005	−0.0002	−0.0015	0.0401	0.0428
Salary increment per capita, SIPC	0.1070	−0.0169	0.0300	0.0682	0.0344
Road increment, RI	0.0401	−0.0017	0.0109	0.2095	−0.0197
Secondary industry product increment, SIPI	0.0982	0.0046	0.4138	0.2881	0.0846
Tertiary industry product increment, TIPI	−0.0219	0.0511	0.2764	−0.039	−0.01
Electricity consumption increment, ECI	0.0135	0.0791	0.0300	0.0224	0.0202
Constant	0.0860	0.0647	0.0514	0.0346	0.0546
Durbin-Watson stat	1.9037	2.0378	2.6353	2.3684	2.2333
-squared	0.6341	0.5946	0.511	0.5172	0.3725
Adjusted -squared	0.5215	0.4513	0.3643	0.3754	0.1842
-statistic	2.7153	4.149	3.4833	3.6472	1.9786
Prob (-statistic)	0.0000	0.0000	0.0000	0.0000	0.0017

The -test statistics are presented in parentheses. , , and represent statistical significance on a 10%, 5%, and 1% level, respectively.