1. School of Finance Guangdong University of Finance and Economics Guangzhou China
2. Louvain Institute for Data Analysis and Modelling in Economics and Statistics Universite catholique de Louvain Louvain‐la‐Neuve Belgium
3. MOE Key Laboratory of Econometrics, School of Economics and Wang Yanan Institute for Studies in Economics Xiamen University Xiamen China
4. Department of Economics Tulane University New Orleans Louisiana USA