1. Tulane University Department of Finance, A. B. Freeman School of Business, , 7 McAlister Drive, New Orleans, LA, USA 70118
2. Xiamen University MOE Key Laboratory of Econometrics, Wang Yanan Institute for Studies in Economics (WISE), , Xiamen, Fujian, China
3. Tsinghua University School of Economics and Management and Shenzhen International Graduate School, , China