公共教育扩张政策与教育收益率的城乡差异

Based on the data of CHIP 2019, this paper empirically evaluates the individual income increase effect and income distribution effect of the public education expansion policy through the measurement of causality and heterogeneity concerning the rate of return on education. Key findings are summarized as follows:（1）Statistical descriptions reveal that the public education expansion policy has a more significant impact on enhancing the educational attainment of the urban workforce compared to the rural workforce, thereby imbuing the educational function with a distinctly "urban-oriented" characteristic.（2）After using the instrumental variable method to correct endogenous problems, it is found that the public education expansion policy has a stronger individual income increase effect on non-agricultural registered residence. The rate of return on education of rural workforce is higher than that of urban workforce, and the rate of return on university education is higher than on compulsory education. This reveals