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Economic Development, Industrial Restructuring and Scale Regulation of Urban Construction Land: The Case of Maanshan City

CHEN Li-gen~1,CHEN Hui-guang~1,QU Fu-tian~1,ZHAO Cai-shui~2 (1.College of Land Management, Nanjing Agricultural University, Nanjing 210095,China; 2.Center for Land Development, Maanshan City, Anhui Province, Maanshan 243000, China)  
Maanshan City, as a typical industrial city, is in the course of urban industry restructuring and function transferring.This paper, taking Maanshan City as an example, statistically reviews and reveals the relations between urban construction land and its influencing factors, such as population urbanization, economic development and industry restructuring.And the paper estimates econometric models of the socioeconomic drivers of urban construction land increase.The relations between variables are revealed by the model Y_i=α+β_1X_(1i)+β_2X_(2i)+β_3X_(3i)+ε_i, and its econometric results are revealed.To reveal the relations ulteriorly, the paper analyses the econometric results by integrating land use elasticity.The results indicate that population urbanization and economic development had a positive impact and that industry restructuring had a negative impact on the scale of urban construction land.The scale of urban construction land grows 0.87%(about 34.873 hm~2), which was driven by 1% of population urbanization's growth.Urban construction land's scale expands 0.26%, with 1% of per capita GDP growth.That is to say, 10,000 yuan of per capita GDP growth causes an expansion of 872.746 hm~2 in the urban's scale.However, urban industry restructuring has favorable effect on intensive land use.With 1% of the scope of industry restructuring (or: the ratio of third industry to second industry) growth, 0.15% of urban expansion could be prevented, that is to say, 13.458 hm~2 land could be freed of being occupied by the expansion of urban.The results of the paper provide a strong theoretic and empirical support for current policies on urban industry restructuring and function transfer and have a reference value for other cities that are undergoing economic transfer.
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