应用匹配倍差法评估退耕还林政策对农户收入的影响
谢旭轩,马训舟,张世秋
Evaluating Income Impacts of Slopping Land Conversion Program in China: A Matching DID Model
XIE Xuxuan,MA Xunzhou,ZHANG Shiqiu
北京大学学报(自然科学版) . 2011, (4): 759 -767 .