1. Dongwu Business School, Soochow University, Suzhou, China
2. Center for Applied Statistics and Economics, Humboldt-Universität zu Berlin, Berlin, Germany
3. Adam Smith Business School, University of Glasgow, Glasgow, UK
4. Sim Kee Boon Institute for Financial Economics, Singapore Management University, Singapore
5. Wang Yanan Institute for Studies in Economics, Xiamen University, Xiamen, China
6. Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic