Affiliation: | 1. Center, Department of Econometrics & Operations Research, Tilburg University, Postbus 90153, Tilburg 5000 LE, The Netherlands;2. Department of Economics, University of Antwerp, Prinsstraat 13, 2000 Antwerp, Belgium;3. University of Vienna, Oskar-Morgenstern-Platz 1, Vienna 1090, Austria |