1. Waseda Business School, Waseda Daigaku—Nishiwaseda Campus, Tokyo, Japan
2. Department of Finance, Insurance, and Real Estate, The University of Memphis, Memphis, TN, United States
3. Graduate School of Business and Finance, Waseda Daigaku—Nishiwaseda Campus, Tokyo, Japan
4. Department of Economics and Business, Saint Anselm College, Manchester, NH, United States