1. School of Economics, Jinan University, Guangzhou, Guangdong 510632, China
2. School of Economics, Anyang Normal University, Anyang, Henan 455001, China
3. University of Nottingham Ningbo China, Ningbo, Zhejiang 315000, China
4. Department of Community & International Development, Yeungnam University, Gyeongsan-si, Gyeongsangbuk-do 38541, Republic of Korea