[1] ETH, Zurich, Switzerland
[2] CEPR, London, England
[3] CESifo, Munich, Germany
[4] Univ Nottingham, Leverhulme Ctr Res Globalisat & Econ Policy GEP, Nottingham, England
[5] Univ Oxford, Ctr Business Taxat, Oxford, England
[6] WIFO, Vienna, Austria
[7] Ifo, Munich, Germany
[8] Univ Tubingen, Tubingen, Germany
[9] Norwegian Sch Econ NHH, Norwegian Ctr Taxat, Bergen, Norway