1. Pontificia Universidad Católica de Chile, Avda. Libertador Bernardo O’Higgins 340, Santiago, Región Metropolitana, Chile 6904411 (email: )
2. Haas School of Business, 2220 Piedmont Avenue University of California at Berkeley, Berkeley, CA (email: )
3. World Bank, Bouchard 547, Floor 29, C1106ABG, Buenos Aires, Argentina (email: )
4. World Bank, MSN I7-100, 1818 H ST NW, Washington, DC (email: )