Affiliation: | 1. Poverty Global Practice, The World Bank, 1818 H Street, NW, Washington, DC 20433, USA;2. Research Department, Inter-American Development Bank, 1300 New York Avenue, NW, Washington, DC 20577, USA;3. Department of Economics, Universidad de San Andrés, Vito Dumas 284, B1644BID Victoria, Buenos Aires, Argentina |