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Journal articles (economics - see below for medical journals)

Group Size and the Efficiency of Informal Risk Sharing Forthcoming at The Economic Journal (joint with E. Fitzsimons, and B. Malde)

Personality Traits and Performance Contracts: Evidence from a Field Experiment Among Maternity Care Providers in India American Economic Review - Papers and Proceedings (Forthcoming, May 2017 issue) (joint with K. Donato, G. Miller, M. Mohanan, Y. Truskinovsky)

Nutrition, Information and Household Behavior: Experimental Evidence from Malawi, Journal of Development Economics 
122, September 2016, pp. 113–126 (joint with E. Fitzsimons, B. Malde, A. Mesnard) [journal webiste: PDF Open Access, Replication Files]

Public Hospital Spending in England: Evidence from National Health Service Administrative Records
. Fiscal Studies 37(3-4), 2016, 433-459. 
(joint with E. Kelly and G. Stoye)

Should Cash Transfers Be Conditional? Conditionality, Preventive Care, and Health Outcomes
American Economic Journal: Applied Economics 7 (2), 2015, 35-52. (joint with O. Attanasio and V. Oppedisano)

Testing for Asymmetric Information in Private Health Insurance. The Economic Journal 123(567), 2013, pp. 96-130
(joint with P. Olivella). [Download the Data and Code] [journal website]
Awarded 2013 Royal Economic Society Prize for the best unsolicited paper published in The Economic Journal in 2013

Risk Protection, Service Use, and Health Outcomes under Colombia's Health Insurance Program for the Poor. American Economic Journal: Applied Economics 5(4), 2013, pp. 61-91   (joint with G. Miller and D. Pinto) [journal website]
Awarded first place of the Inter American Award for Research on Social Security 2011

Community Nurseries and the Nutritional Status of Poor Children. Evidence from Colombia. The Economic Journal 123 (571), 2013, pp. 1025-1058.   (joint with O. Attanasio, and V. di Maro) [journal website]

Exploiting Subjective Information to Understand Impoverished Children's Use of Health Care. The Journal of Health Economics 32(6), 2013, pp.
1194–1204. . (joint with Begona Alvarez) [journal website]

How Complex are the Contracts Offered by Health Plans? SERIEs (Journal of the Spanish Economics Association) 1(3), 2010, pp. 305-323 (Joint with P. Olivella) 

Are Tax Subsidies for Private Medical Insurance Self-financing? Evidence from a Microsimulation Model Journal of Health Economics, Vol. 27, 2008, pp. 1285-1298 (Joint with A. López-Nicolás). [journal website]

Read the comment on the article published by Prof. G. López-Casasnovas (only in Spanish)

Competition Among Differentiated Health Plans under Adverse Selection Journal of Health Economics, vol 26, issue 2, pp. 233-250 (joint with P. Olivella)
This paper Awarded the prize of best article (ex-aequo) in health economics by the Spanish Health Economics Association in 2007 [journal website]

Child Health in Rural Colombia. Determinants and Policy Interventions, Economics and Human Biology, Special Issue on Child Health in Latin America. Edited by J. R. Behrman, E. Skoufias, Volume 2(3), December 2004, Pages 335-518 (joint with O. Attanasio, L.C. Gómez, and A. Gómez)

Counts with an Endogenous Dummy Regressor: A Series Expansion Approach, The Econometrics Journal, Vol. 8(1), June 2005, pp. 1-22 (joint with A. Romeu)
Lead article [journal website]

Structural Estimation of a Principal-Agent Model: Moral Hazard in Medical Insurance, The Rand Journal of Economics, Vol.34, No. 4, Winter 2003, pp. 670-693 [journal website]

Duplicate Coverage and Demand for Health Care. The Case of Catalonia. Health Economics Vol. 8, No. 7, November 1999, pp. 579-598
This paper was awarded the second prize of the student competition of the 2nd World Conference of the International Health Economics Association

[journal website]

Journal articles (medical journals)

Evaluation of a social franchising and telemedicine programme and the care provided for childhood diarrhoea and pneumonia, India. Bulletin of World Health Organization 95: 343 – 352E, 2017 (joint with M. Mohanan, S. Giardili, V. Das, T. Rabin, S. Raj, J. D. Goldhaber-Fiebert, A. Seth, G. Miller, J. Goldhaber-Fiebert)

Providers' Knowledge of Diagnosis and Treatment of Tuberculosis using Vignettes: Evidence from Rural Bihar, India. BMJ Global Health, 1(4), 2016. (joint with M. Mohanan, J. D. Goldhaber-Fiebert, S. Giardili)

Effect Of A Large-Scale Social Franchising And Telemedicine Program On Childhood Diarrhea And Pneumonia Outcomes In India. Health affairs (Project Hope), 35(10), 1800-1809, 2016. (joint with M. Mohanan, K. S. Babiarz, J. D. Goldhaber-Fiebert, G. Miller)

One of the Editor's Top Ten picks [Link[Summary of Press Coverage]

Breast Feeding and the Weekend Effect: An Observational Study. BMJ Open, 6(7), 2016 (joint with E. Fitzsimons)

Irie Classroom Toolbox: A Study Protocol for a Cluster-Randomised Trial of a Universal Violence Prevention Programme in Jamaican Preschools. BMJ Open, 6(5), 2016. (joint with Baker-Henningham, H., M., Alderman, H., & Walker, S.)

Integrating a Parenting Intervention With Routine Primary Health Care: A Cluster Randomized Trial, Pediatrics 166(2), 2015 (joint with S. Chang, S. Grantham-McGregor, C. Powell, F. Lopez-Boo, H. Baker-Henningham, S. Walker) [journal website]

Do No Harm: The Know-Do Gap and Quality of Care for Childhood Diarrhea and Pneumonia in Bihar
, India JAMA-Pediatrics 169(4), 2015, pp. 349-357 (joint with Manoj Mohanan, Veena Das, Soledad Giardili, Jeremy D. Goldhaber-Fiebert, Tracy L. Rabin, Sunil Raj, Jeremy I. Schwartz, Aparna Seth).
Press coverage:
FT,  BMJMedical Journal of Australia, The Hindu, The Hindu (editorial), Times of India, DW, others (see file) 

Early Childhood Stimulation Benefits Adult Competence and Reduces Violent Behavior. Pediatrics 127(5), 2011, pp. 849-857 (joint with S. Walker, S. Chang, and S. Grantham-McGregor) [journal website]

Pre- and postnatal arsenic exposure and child development at 18 months of age: a cohort study in rural Bangladesh, International Journal of Epidemiology 39(5),  2010, pp. 1206-1216 (Joint with J. Hamadani,  S. Grantham-McGregor, F. Tofail, B. Nermell, B, Fangstrom, S. Huda, S. Yesmin, M. Rahman, S. Arifeen, M. Vahter)

Book chapters and invited journal articles

The Evaluation of Public Policies (In Spanish) in (eds.) Bagés, M., Fernández-Villaverde, J. and Garicano, L. E-book on the Law of Sustainable Economy. Fundación de Estudios de Economía Aplicada. Madrid. Spain.

A Practitioner’s Guide to Evaluating the Impacts of Labor Market Programs”, World Bank Employment Policy Primer Issue No.12, December 2009. (joint with E. Fitzsimons).
Read a summary in the Governance and Social Development Resource Centre website

Evaluating Public Health Interventions without Experiments, (In Spanish) Gaceta Sanitaria Vo.17, 2003, (Journal of The Spanish Association of Public Health). Article requested by the Spanish Association of Health Economics.

Interactions between Public and Private Health Insurance, (In Spanish) in Casanova (eds) “Public and Private Interface in Health”. Masson. 2003

Microeconometrics and Asymmetric Information: Applications to Health Care Utilisation Cuadernos de Información Económica Num. 804. 2003, (Journal of the Economics Ministry in Spain).