东、中、西部教育投入和社会保障支出联合的收入差距效应

Combined Effects on the Income Gap of Eastern,Central and Western Education Investment and Social Security Spending

利用我国东、中、西部30个省、自治区、直辖市的数据,采用完全修正最小二乘法(FMOLS)考察教育投入、社会保障支出及其联合对城乡收入差距的影响。结果显示:对全国而言,教育投入、社会保障支出及其联合均显著扩大了城乡收入差距,但是影响存在区域差异。教育投入有利于缩小东、中部地区城乡收入差距,加剧了西部收入差距;社会保障支出扩大了西部城乡收入差距,缩小了东、中部的差距,但对东部的影响在统计上不显著;二者的交互作用显著扩大了西部城乡收入差距,缩小了东、中部收入差距,但对中部的影响不及东部影响大。

By using of China＇s eastern, central and western data of 30 provinces, and using method of completely revised least-squares （FMOLS） to verify education investment, social security spending and their combined effects on the income gap between urban and rural areas. Results showed that for the national, education investment, social security expenditure and its joint were significantly expanded the income gap, but there have regional differences.Education investment is benefit to narrow the income gap among east and central regions ,instead expand the income gap in western. Social security expenditure narrowed the east income gap, but not statistically significant. For central region, narrowing the income gap. And in the western region, the social security expenditure enlarged the income gap.Combined effects significantly expanded the income gap in the west. For eastern and central ,it narrowed the income gap, but the effect on the east is more than the central regional.