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《Geographical Research》 2018-09
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Spatial and temporal differentiation and driving mechanism of social security level in China during 2002-2015

LI Qiong;ZHOU Yu;TIAN Yu;WU Xiongzhou;ZHANG Lanlan;Jishou University Business School;Jishou University Academician Workstation, Institute of Geographic Sciences and Natural Resources Research, CAS;School of Management, Sun Yat-sen University;School of Economics and Management, Changsha University of Science and Technology;  
Using the principal component analysis to measure the level of social security in China from 2002 to 2015, this paper analyzes its spatial-temporal differentiation, and uses the geographically weighted regression model to explore its influencing factors and driving mechanisms. Results show that:(1) The overall level of social security in China and the regional level have been increasing year by year, but the security level gap between regions has increased;(2) The level of social security in China is not balanced, and the pattern of "EasternCentral-Western(region)" in social security is consistent with the pattern of economic development in China. The hotspot and cold spot areas of social security level of the country show more obvious characteristics of spatial evolution. High-hot spot areas have been spreading to the eastern region and radiating to the central region. Cold spot areas are distributed and continuously strengthened in the western region;(3) Per capita GDP, rural per capita net income, urbanization rate, education level, financial transfer payment, and the formation of the four driving forces of economy, education, finance, and society lead to the temporal changes and spatial distribution of social security.
【Fund】: 国家自然科学基金项目(41761029);; 国家社会科学基金项目(15BSH122);; 湖南省哲学社会科学基金资助项目(17YBX029);; 湖南省科技计划项目(2016RS2021)
【CateGory Index】: D632.1;F842.61
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