Income Shocks, Contraceptive Use, and Timing of Fertility (with Shamma Alam). Journal of Development Economics, vol. 131: 96-103, 2018.

Differences in Child Health between Rural, Urban, and Slum Areas: Evidence from India (with Yu-hsuan Su). Demography, vol. 55(1): 223-247. Online Appendix.

Effects of Parental Absence on Child Labor and School Attendance. Review of Economics of the Householdvol 14(1): 103-130, 2016.

High School Dropouts and Sexually Transmitted Infections (with Mark Anderson). Southern Economic Journal, vol. 81, no. 1: 113-134, 2014.

Literacy, Skills and Welfare: Effects of Participation in Adult Literacy Programs, (with Niels-Hugo Blunch). Economic Development and Cultural Change, vol. 60, no. 1: 17-66, October 2011. JSTOR link

Birth Order and the Intrahousehold Allocation of Time and Education, (with Mette Ejrnæs). Review of Economics and Statistics, vol. 86, no. 4, November 2004.

Child Health and Mortality: Does Health Knowledge Matter?, Journal of African Economies, vol. 11, no. 4, 2002 (with Jens Kovsted and Finn Tarp).

Children as Insurance, Journal of Population Economics, vol. 14, no. 1: 119-136, 2001.

Conference Proceedings

"Measuring Utility of Human-Computer Interactions: Toward a Science of Aggregate Inferred Preference,'' Proceedings of CHI 2011: ACM Conference on Human Factors in Computing Systems, Vancouver, BC, May 2011 (with Michael Toomin, Travis Kriplean and James A. Landay).

Book Chapters

"Fertility Issues and Policy in Developing Countries" in The Oxford Handbook of Women and the Economy, ed. Susan L. Averett, Laura M. Argys, and Saul D. Hoffman, Oxford, UK: Oxford University Press. 2017

“Fertility in Developing Countries” in Family Economics: How Households Impact Markets and Economic Growth, ed. Esther Redmount, Chapter 9, Santa Barbara, CA: ABC-CLIO. 2015.

"Human Health and Climate Change" in Reducing Poverty, Protecting Livelihoods, and Building Assets in a Changing Climate, ed. Dorte Verner, Chapter 6, 167-194, Washington, DC: The World Bank (with Lykke Andersen, John Geary and Dorte Verner).

Working Papers

What Labor Supply Elasticities do Employers Face? Evidence from Field Experiments (with Nail Hassairi). Submitted to AER: Insight.

Birth Spacing in the Presence of Son Preference and Sex-Selective Abortions: India’s Experience over Four Decades. Revise and resubmit invited from Demography.

Only if You Pay Me More: Field Experiments Support Compensating Wage Differentials Theory (with Nail Hassairi and Michael Toomim). Will be submitted to Quarterly Journal of Economics.

Sex Selective Abortions, Fertility and Birth SpacingOnline Appendix. Prior version: World Bank Policy Research Working Paper, no. WPS 7189

Gone With the Wind? Hurricane Risk, Fertility and Education. Revise and resubmit invited from Economic Development and Cultural Change.

Does Family Planning Reduce Fertility? Evidence from Rural Ethiopia (with Kathleen Beegle and Luc Christiaensen). 

The Link Between Parental and Offspring Longevity (with Edwin Wong).

Natural Hazards and Child Health. University of Washington, Department of Economics, Working Paper UWEC-2010-3.

Work in Progress

Higher Pay, Better Work? Field Experiments on Wage and Quality of Work in an Online Labor Market (with Nail Hassairi).

Do Returns to Education for Men Vary by Country of Origin? (with Chasya Hoagland) 


Expected Impacts of CAFTA in Guatemala. Background paper for World Bank analysis of
the impact of the Central American Free Trade Agreement.

Evolution of Poverty and Welfare in Ghana in the 1990s: Achievements and Challenges, (with Sudharshan Canagarajah). Africa Region Working Paper Series No. 61 (October 2003), World Bank.


Children and Household Behaviour in Developing Countries. PhD thesis, Institute of Economics, University of Copenhagen. December 2001.

Population and Economic Growth. MSc Dissertation, Institute of Economics, University of Copenhagen. June 1996.

Endogenous Fertility and Economic Growth. MA Dissertation, Development Economics, School of Social Sciences, University of Sussex. September 1996.