1. Department of Banking and Finance, University of Zurich, Zurich, Switzerland.
2. Department of Economics, Ca' Foscari University of Venice, Venice, Italy.
3. Vienna University of Economics and Business, Vienna, Austria.
4. Global Development Policy Center, Boston University, Boston, MA, USA.
5. International Institute for Applied Systems Analysis (IIASA), Laxenburg, Austria.
6. Graz University of Technology, Graz, Austria.