Braun, Sebastian - Sonderforschungsbereich Ökonomisches Risiko <Berlin> - 2009
Economics and a seminar at Humboldt University Berlin for very helpful comments
and suggestions. The project was supported by …, Humboldt University Berlin, School of Business and Economics, Spandauer Stra e 1, 10099
Berlin, Germany. Phone: +49 30 2093 …