Ralf A. Wilke is Professor of Applied Econometrics at the Copenhagen Business School, Department of Economics, DKTakeshi Emura is currently Professor at School of Informatics and Data Science, Hiroshima University, Japan. He is Visiting Professor at Research Center for Medical and Health Data Science, the ISM, Japan, and also Visiting Professor at Biostatistics Center, Kurume University, JapanSimon M.S. Lo is Assistant Professor at the Department of Economics and Finance, United Arab Emirates University