1. National Council for Social Security Fund, South Tower, Building 11, Fenghuiyuan Fenghui Times Building, Xicheng District, Beijing 100032, P. R. China
2. Peking University HSBC Business School, University Town, Nanshan District, Shenzhen 518055, Guangdong, P. R. China
3. Bank of Italy, Embassy of Italy in New Delhi, 50-E Chandragupta Marg, Chanakyapuri 110021, New Delhi, India
4. University of Brighton, Brighton, BN2 4AT, UK