1. Department of Economics, Eastern Mediterranean University, via Mersin 10, Northern Cyprus, Famagusta, Turkey
2. Department of Economics, University of Pretoria, Pretoria 0002, South Africa
3. IPAG Business School, Paris, France
4. Department of Economics, Helmut Schmidt University, Holstenhofweg 85, P.O.B. 700822, 22008 Hamburg, Germany
5. College of Business Administration, University of Nebraska at Omaha, 6708 Pine Street, Omaha, NE 68182, USA
6. School of Business and Economics, Loughborough University, Leicestershire LE11 3TU, UK