1. Central Bank of Colombia Bogota Colombia
2. Professor of banking in the Department of Banking and Finance, University of Zurich 8032 Zurich Switzerland
3. Senior chair at the Swiss Finance Institute, Swiss Finance Institute 8006 Zürich Switzerland
4. Research professor at KU Leuven, KU Leuven 3000 Leuven Belgium
5. Research fellow in financial economics of CEPR, CEPR London EC1V 0DX UK