摘要：Efficiency is tlic core issue of ecological compensation. Based on tlic data in 2016-2018, this research uses the three-stage DEA model to evaluate the efficiency of payment for ecological services (PES) for poverty alleviation and other public services in Yunnan. The results show that in recent years, the poverty alleviation eftlciency of PES in 16 cities in Yunnan has been increasing. In 2018. tlic comprehensive technical efficiency of 16 cities reaches 0.963, the technical efficiency reaches 1,the scale efficiency reaches 0.963. and the three indicators of the 12 cities have reached 1.Through SFA analysis of the impact of per capita GDP and the proportion of added value of tertiary industry on the number of PES households and per capita compensation fiinds. it is found that management efficiency plays a decisive role in poverty alleviation cfTicicncy. After eliminating background factors and random disturbances, the pure technical efficiency and scale efficiency arc improved, and the technical efficiency is all reached 1,indicating that the improvement of pure technical efficiency is the main factor for the improvement of comprehensive technical efficiency. Tlic comprehensive technical efficiency of the four concentrated contiguous areas in the border areas of western Yunnan. Wumeng Mountain. Diqing Tibetan Area and rocky desertification area arc 0.977, 0.977, 0.981. and 1.indicating that improvement is necessary in the use of PES for poverty alleviation in western Yunnan and Wumeng Mountain Area.
