[1] McKinsey & Co Inc, Wroclaw, Poland
[2] Univ Zurich, Dept Econ, Zurichbergstr 14, CH-8032 Zurich, Switzerland
[3] Univ Zurich Res Prior Program Financial Regulat, Zurich, Switzerland
[4] CESifo, Munich, Germany
[5] Australian Natl Univ, CAMA, Canberra, ACT, Australia