基于贫困分级的云南省城乡收入差距时空演化与影响因素研究
杨子生, 杨人懿, 刘凤莲

Spatio-temporal evolution and influencing factors of urban-rural income gap in Yunnan province based on poverty classification
YANG Zisheng, YANG Renyi, LIU Fenglian
图4 16个州(市)城乡收入比的年均下降率
Fig. 4 Average annual decline rate of urban-rural income ratio of 16 autonomous prefectures and cities