1. The impact of Chile's school feeding program on education outcomes. Economics of Education Review, 2013.
    2. The benefits of delayed primary school enrollment: Discontinuity estimates using exact birth dates. Journal of Human Resources (with Joseph S. Shapiro), 2008.
    3. Can schools reduce the indigenous test score gap? Evidence from Chile. Journal of Development Studies, 2008.
    4. School choice, stratification, and information on school performance: Lessons from Chile. Economía (with Miguel Urquiola and Emiliana Vegas), 2008.
    5. Evaluating multigrade school reform in Latin America. Comparative Education, 2008.
    6. The central role of noise in evaluating interventions that use test scores to rank schools. American Economic Review (with Kenneth Y. Chay and Miguel Urquiola), 2005.
    7. The indigenous test score gap in Bolivia and Chile. Economic Development and Cultural Change, 2004. Translated as: La brecha de puntajes obtenidos en las pruebas por los niños indígenas en Sudamérica. In Etnicidad, raza, género y educación en América Latina, ed. Donald R. Winkler and Santiago Cueto. Santiago: PREAL.
    8. How effective are private schools in Latin America? Comparative Education Review (with Marie-Andrée Somers and J. Douglas Willms), 2004.
    9. Peer effects on student achievement: Evidence from Chile. Economics of Education Review, 2003.
    10. Does privatization improve education? The case of Chile’s national voucher plan (with Martin Carnoy). In Choosing choice: School choice in international perspective, ed. David N. Plank and Gary Sykes, 2003.
    11. Public subsidies for private schooling: A comparative analysis of Argentina and Chile. Journal of Comparative Policy Analysis, 2002. Translated as: Educación pública y privada en el cono sur: Un análisis comparativo entre la Argentina y Chile. In Las reformas educativas en la década de 1990: Un estudio comparado de Argentina, Chile y Uruguay, ed. Martin Carnoy, Gustavo Cosse, and Cristián Cox. Buenos Aires: Ministerio de Educación.
    12. The effectiveness of public, Catholic, and non-religious private schools in Chile’s voucher system. Education Economics, 2001.
    13. Privatization through vouchers in developing countries: The cases of Chile and Colombia (with Martin Carnoy). In Privatizing education, ed. Henry M. Levin, 2001.
    14. The effectiveness and efficiency of private schools in Chile’s voucher system. Educational Evaluation and Policy Analysis (with Martin Carnoy), 2000.