* The Causes and Consequences of Adolescent Schooling in Sub-Saharan Africa (2002)
* Social Cohesion and Violent Conflict in Africa (2008)
* The Poverty of Nations: A Sustainable Development Reader (2010)
* Migration, Development and Pro-Poor Policy Choices in Latin America (2012)
* The Role of Institutions in Economic Development (2016)
* Inequality and Poverty in Latin America: Trends, Causes and Policies (2018)
Articles
* "The Impact of Schooling on Fertility and Child Mortality in Sub-Saharan Africa" (1998)
* "Schooling and the Distribution of Income in Sub-Saharan Africa" (2000)
* "Civil Conflict in Africa: What Have We Learned?" (2005)
* "Social Cohesion and Violent Conflict in Africa: A Literature Review" (2007)
* "Migration, Development and Poverty in Latin America" (2011)
* "The Role of Institutions in Economic Development" (2015)
* "Inequality and Poverty in Latin America: Trends, Causes and Policies" (2017)