1. The effects of income and food price changes on the acquistion of food by low-income households;Harold Alderman;International Food Policy Research Institute,1984
2. The effects of the Egyptian food ration and subsidy system on income distribution and consumption;Harold Alderman;Research Report,1984
3. Providing a Healthier Start to Life: The Impact of Conditional Cash Transfers on Infant Mortality
4. Impacto de Oportunidades en la Morbilidad y el Estado de Salud de la Poblaci�n Beneficiaria y en la Utilizaci�n de Servicios de Salud: Resultados de Corto Plazo en Zonas Urbanas y de Mediano Plazo en Zonas Rurales;Sergio Bautista;Evaluaci�nexterna de impacto del programa Oportunidades,2004
5. Bribe' Third World parents to keep their kids in school;Gary S Becker;Business Week (Industrial/Technology Edition),1999