环渤海地区滴灌的资源与经济效应——政府与农户目标一致性检验
张哲晰,穆月英,侯玲玲,杨鑫

Resource and economic effects of drip irrigation in the Bohai Rim area: Consistency of goals of the government and farmers
Zhexi ZHANG,Yueying MU,Lingling HOU,Xin YANG
表4 基于PSM方法的滴灌技术处理效应结果
Table 4 Treatment effect of drip irrigation based on propensity score matching (PSM) method
变量名称 处理类型 滴灌组 非滴灌组 差值 标准误
灌溉水生产率 Unmatched 45.002 27.205 17.797*** 5.336
ATT 45.580 25.734 19.846*** 6.129
灌溉水净收益 Unmatched 94.890 39.532 55.358*** 14.363
ATT 97.420 38.292 59.128*** 16.412