基金supported by the National Natural Science Foundation of China(Grant No.11361007),supported by the National Natural Science Foundation of China(Grant Nos.7167110411601260+4 种基金11626142)the Natural Science Foundation of Guangxi Province(Grant No.2014GXNSFCA118001)the Fostering Project of Dominant Discipline and Talent Team of Shandong Province Higher Education Institutionsthe Project of Humanities and Social Science of Ministry of Education of China(Grant No.16YJA910003)the Fostering Project of Dominant Discipline and Talent Team of Shandong University of Finance and Economics
