Research Article

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

Table 5

Urban expansion and driving factors in Middle China.

Item (1990–2010) (1990–1995) (1995–2000) (2000–2005) (2005–2010)

Population increment, POPI0.00330.19570.03510.59640.5050
GDP increment, GDPI0.14540.08530.62650.19620.7574
Investment increment in capital construction, IICC−0.02600.00980.06370.03410.0411
Salary increment per capita, SIPC0.02990.1114−0.00110.5759−0.3751
Road increment, RI−0.0385−0.0150−0.0608−0.0065−0.3041
Secondary industry product increment, SIPI0.12870.02030.25510.01560.1206
Tertiary industry product increment, TIPI0.0060−0.01540.27860.03680.2661
Electricity consumption increment, ECI−0.03620.0668−0.06230.10340.1673
Constant0.08950.07850.03230.02870.4017
Durbin-Watson stat2.05132.55742.75482.33502.7245
R-squared0.22810.99280.35970.68390.8315
Adjusted R-squared0.07740.98770.00640.53070.5618
F-statistic1.5140191.60671.01804.46313.0836
Prob (-statistic)0.11460.00000.46700.00010.0380

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