1. a Department of Finance and Statistics , Hanken School of Economics , PO Box 479 (Arkadiagatan 22), 00101 Helsingfors , Finland
2. b Swedish Agency for Development Evaluation , PO Box 1902, 651 19 Karlstad , Sweden
3. c Centre for Finance, University of Gothenburg , PO Box 640 (Vasagatan 1), 405 30 Gothenburg , Sweden