1. School of Economics, Zhejiang University, Hangzhou, Zhejiang, P. R. China
2. School of Economics, Center of Social Welfare and Governance, Research Center for Socialism with Chinese Characteristics, Institute for Common Prosperity and Development, Zhejiang University, Hangzhou, Zhejiang, P. R. China
3. Lau Chor Tak Institute of Global Economics and Finance, The Chinese University of Hong Kong, Hong Kong SAR, China