Liao, Zhifang http://orcid.org/0000-0002-5525-904X
Wu, ZeXuan
Li, Yanbing
Zhang, Yan
Fan, Xiaoping
Wu, Jinsong
Funding for this research was provided by:
National Natural Science Foundation of China (61876190)
China Association for Science and Technology (2018YFB003800)
Hunan Provincial Key Laboratory of Finance & Economics Big Data Science and Technology (2017TP1025)
Hunan Provincial Science and Technology Department (2018JJ2535)
Article History
First Online: 15 July 2019
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest regarding the publication of this paper.