<trans-title>The identification of spatial evolution stage of resource-based cities and its development characteristics</trans-title>

Shuo LU; Wenzhong ZHANG; Jianhui YU; Jiaming LI

doi:10.11821/dlxb202010010

Acta Geographica Sinica, Volume. 75, Issue 10, 2180(2020)

The identification of spatial evolution stage of resource-based cities and its development characteristics

Shuo LU1...2, Wenzhong ZHANG1, Jianhui YU1 and Jiaming LI1 |Show fewer author(s)

¹Key Laboratory of Regional Sustainable Development Modeling, Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China

²Key Research Institute of Yellow River Civilization and Sustainable Development, Henan University, Kaifeng 475001, Henan, China

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Figures & Tables(10)

Fig. 1. Spatial concentration of urban central area in China in 2000 and 2013

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Fig. 2. Urban spatial concentration trends of different resource mining types

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Fig. 3. Division of resource-based urban development stage

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Fig. 4. Trends in spatial concentration of urban central area of resource-based cities at different stages of development

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Fig. 5. Correlation analysis between spatial concentration of urban central area and economic growth in resource-based cities

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Fig. 6. Correlation analysis between spatial concentration of urban central area and economic growth in resource-based cities at different stages of development

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Table 1. Threshold effect test results
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Table 1. Threshold effect test results
门槛检验临界值
F值 P值 1% 5% 10%
单门槛检验 12.645^* 0.053 19.655 12.909 10.550
双门槛检验 50.551^*** 0.000 -0.642 -5.355 -9.233
三重门槛检验 0.000 0.651 0.000 0.000 0.000

Table 2. Double threshold estimates and confidence intervals
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Table 2. Double threshold estimates and confidence intervals
门槛值估计值 95%置信区间
门槛值 $γ_{1}^{'}$ 0.019 [0.015, 0.446]
门槛值 $γ_{2}^{'}$ 0.310 [0.009, 0.333]

Table 3. Double threshold model estimation results

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Table 3. Double threshold model estimation results

变量	系数估计值	标准误差	T值	95%置信区间
$x_{it} I (g_{it} < 0.019)$	0.652	0.378	1.470	[0.502, 0.716]
$x_{it} I (0.019 \leq g_{it} < 0.310)$	-0.521	0.061	-8.520	[-0.640, -0.401]
$x_{it} I (g_{it} \geq 0.310)$	-0.296	0.043	-6.810	[-0.381, -0.211]
_cons	0.397	0.008	48.650	[0.381, 0.413]

Table 4. Double threshold model robustness test

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Table 4. Double threshold model robustness test

变量	系数估计值	标准误差	T值	95%置信区间
$x_{it} I (g_{it} < 0.018)$	1.692	0.381	4.440	[2.440, 0.944]
$x_{it} I (0.018 \leq g_{it} < 0.390)$	-0.531	0.060	-8.910	[-0.647, -0.413]
$x_{it} I (g_{it} \geq 0.390)$	-0.268	0.046	-5.840	[-0.358, -0.198]
_cons	0.397	0.008	48.780	[0.381, 0.413]

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Shuo LU, Wenzhong ZHANG, Jianhui YU, Jiaming LI. The identification of spatial evolution stage of resource-based cities and its development characteristics[J]. Acta Geographica Sinica, 2020, 75(10): 2180

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