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5 滴灌技术产出与经济效应的分位数检验

Table 5 Output and economic impacts of drip irrigation technique tested by the instrumental variable quantile regression (IVQR) method

变量名称 25%分位点 50%分位点 75%分位点 系数 标准误 系数 标准误 系数 标准误 灌溉水生产率 12.373** 6.216 16.384** 6.492 66.522*** 24.870 灌溉水净收益 22.270*** 1.084 33.541*** 1.777*** 182.578*** 5.876