[1] Univ Zurich, Dept Banking & Finance, Zurich, Switzerland
[2] Swiss Finance Inst, Zurich, Switzerland
[3] Katholieke Univ Leuven, Leuven, Belgium
[4] Ctr Econ Policy Res CEPR, London, England
[5] NTNU Business Sch, Trondheim, Norway
[6] Vassar Coll, Poughkeepsie, NY USA
[7] Stonehill Coll, Leo J Meehan Sch Business, Easton, MA USA