中国科学院数学与系统科学研究院期刊网
A New Credit Spread to Predict Economic Activities in China
WANG Lei,NIE Changhong,WANG Shouyang
A New Credit Spread to Predict Economic Activities in China
WANG Lei,NIE Changhong,WANG Shouyang
Journal of Systems Science and Complexity . 2019, (4): 1140 -1166 .  DOI: 10.1007/s11424-019-8033-3