Department of Economics
University College London
Education, Home Environments and Child Development (with Costas Meghir and Matthias Parey),
forthcoming in Journal of European
of Labor Regulation and Informality (with Rita
Almeida), American Economic Journal:
Applied Economics, 4(3), 2012
Trends in Quality
Adjusted Skill Premia in the United States (with Sokbae Lee), American
Economic Review, 101 (6), 2011.
Estimating Marginal Returns to Education (with James Heckman and
Edward Vytlacil), American
Economic Review, 101 (6), 2011.
Indoor Residual Spray for Reducing Malaria Infection Prevalence in Eritrea:
Results from a Community Randomized Control Trial (with Joseph Keating, Andrea Locatelli, Andemariam Gebremichael, Tewolde Ghebremeskel, Jacob Mufunda, SelamMihreteab and Daniel Berhane),
Acta Tropica, 119
(2-3), 107-113, 2011
Policy Changes and the Average Effect of Treatment for Individuals at the
Margin (with James Heckman and Edward Vytlacil), Econometrica, 78,
Distributions of Potential Outcomes Using Instrumental Variables with an
Application to Changes in College Enrolment and Wage Inequality (with Sokbae Lee), Journal
of Econometrics, 2009
Enforcement of Regulation,
Informal Employment, Firm Size and Firm Performance (with Rita Almeida), Journal of Comparative Economics, 2009
The Returns to Firm
Investment in Human Capital (with Rita Almeida), Labour Economics, 2008
Inequality of Opportunity and
Inequality in Education Achievement in Portugal, Portuguese Economic Journal, 7(1), April 2008
Market Discrimination and Racial Differences in Pre-Market Factors (with James
Heckman and Dimitriy Masterov),
Journal of Law and Economics, 2005.
Methods for Evaluating the Impact
of Education Policies when the Return to Education Varies Across
Individuals, Cuadernos de Economia,
of Counterfactuals with an Application to the Returns to Schooling and
Measurement of the Effect of Uncertainty on Schooling Choice (with Karsten Hansen and James Heckman), International Economic Review, 2003
The Evidence on Credit
Constraints in Post-Secondary Schooling (with James Heckman), Economic Journal, 2002.
Veil of Ignorance in Assessing the Distributional Impacts of Social Policy
(with Karsten Hansen and James Heckman), Swedish Economic Policy Review, 2001.
The economics of
vocational education and training (with Lorraine Dearden
and Anna Vignoles), in International encyclopedia of education: volume 8, eds P Peterson, E Baker & B McGaw,
Elsevier, Oxford, pp.255-261, 2010.
Skills Matter (with Claire Crawford and Alissa
Goodman), in D. Kehoe, Practice Makes
Perfect: The Importance of Practical Learning, Social Markets Foundation,
the Sources of Ethnic and Racial Wage Gaps and Their Implications for Policy (with James J. Heckman and Dimitry V. Masterov), in L.
Nielsen and R. Nelson, Rights and Realities: Legal and Social
Scientific Approaches to Employment Discrimination, Springer-Verlag, 2005.
Capital Policy for Europe, European
Economy, Special Report no 3/2004, European Commision,
Policy (with James Heckman), in Inequality
in America: What Role for Human Capital Policies (edited by James Heckman
and Alan Krueger), MIT Press, 2003.
Do Public Health Interventions
Crowd Out Private Health Investments? Malaria Control Policies in Eritrea (with
Andrea Locatelli,Tewolde Ghebremeskel and Joseph Keating), 2012
Marginal Returns to Upper Secondary Schooling in Indonesia (with Michael Lokshin,Cristobal Ridao-Cano, and Nithin Umapathi), 2011
A Flying Start? Long Term Consequences of Maternal Time
Investments in Children During the First Year of Life
(with Katrine Loken and Kjell Salvanes), 2011
Behaviors in Childhood and Adolescence: Evidence from Head Start (with Rita Ginja), 2012
Impact of Early Cognitive and Non-Cognitive Skills on Later Outcomes (with
Claire Crawford and Alissa Goodman, 2007)