1. Department of Planning and Development Postdoctoral Research Station at China Minsheng Bank Beijing China
2. School of Finance and Finance Postdoctoral Mobile Station at Renmin University of China Beijing China
3. School of Economics and Management University of Chinese Academy of Sciences Beijing China
4. School of Global Economics and Management University of Groningen Groningen The Netherlands
5. CESifo Munich Germany
6. Wiesbaden Business School University of Applied Sciences RheinMain Germany