1. Department of Economics, University of Innsbruck, 6020 Innsbruck, Austria;
2. Department of Economics, Centre for Finance, University of Gothenburg, 405 30 Göteborg, Sweden;
3. Department of Banking and Finance, University of Innsbruck, 6020 Innsbruck, Austria;
4. Department of Economics, Lund University, 220 07 Lund, Sweden;
5. Department of Finance and Economics, Hanken School of Economics, 00100 Helsinki, Finland