Funding for this research was provided by:
Humanities and Social Sciences Foundation of the Ministry of Education of China (17YJC630119, 16YJC630089)
Fundamental Research Funds for the Central Universities (JBK1801009)
Research Center for System Sciences and Enterprise Development (Xq18B07)
Soft Science Program of Sichuan Province (19RKX0494)
Article History
First Online: 6 March 2019