公众参与河长制对河流治理效果的影响——基于江苏、湖北的实证研究
陈柳言, 赵鑫, 朱玉春

Impact of public participation in the River Chief System on river governance: An empirical study in Jiangsu and Hubei provinces
CHEN Liuyan, ZHAO Xin, ZHU Yuchun
图1 倾向得分匹配后的密度函数图
Figure 1 Density function graph after propensity score matching