Research on the distribution effect of China's fiscal and taxation system 并列题名:Research on the distribution effect of China's fiscal and taxation system Research on the distribution effects of fiscal policy in China Research on the welfare distributional effects of China's social medical insurance system Research on the 30 years of China's fiscal and taxation system reform 并列题名:Research on the welfare distributional effects of China's social medical insurance system Research on the economic effects of China's new rural pension system Research on the distributive effects of China's basic old-age insurance in the transition period Research on the construction of school moral education system Research on income redistribution effect of China's tax