1. ISCTE Business School, University Institute of Lisbon, Lisbon, Portugal
2. ISCTE Business School, BRU-IUL, University Institute of Lisbon, Lisbon, Portugal
3. Department of Finance, Insurance and Real Estate, Fogelman College of Business and Economics, University of Memphis, Memphis, TN, USA
4. Department of Banking and Finance, Chinese Culture University, Yang-Ming-Shan, Taipei, Taiwan ROC