Can information about the value of diagnostic tests improve provider practice and help patients recognize higher quality of care? In a randomized experiment at public clinics in Mali, health providers and patients received tailored information about the importance of rapid diagnostic tests...

Despite significant economic growth, child development outcomes in India remain poor. Using a large-scale experiment in which randomly-selected mothers receive cash transfers for the first two years of their child's life, we examine the relationship between income and child development in the...

Vaccinations are a cost-effective tool to prevent child mortality and morbidity; however, their access and take-up remain low in developing countries. We analyze the effects on child vaccinations of a large-scale community-based health worker program that aimed to reach remote areas distant from...

Top income inequality in the United States has increased considerably within occupations. This phenomenon has led to a search for a common explanation. We instead develop a theory where increases in income inequality originating within a few occupations can "spill over" through consumption into...

Education and training are a high priority for Costa Rica that devotes to them more than 6.5% of GDP, one of the highest spending shares among OECD countries. However, educational outcomes remain poor and firms struggle to fill their vacancies, particularly in technical and scientific positions,...

Is the persistently high fertility in West Africa today rooted in the decades of forced labor migration under colonial rule? We study the case of Burkina Faso, considered the largest labor reservoir in West Africa by the French colonial authorities. Hundreds of thousands of young men were...

This paper explores how historical gender roles become entrenched as norms over the long run. In the historical United States, gender roles on the frontier looked starkly different from those in settled areas. Male-biased sex ratios led to higher marriage rates for women and lower for men. Land...

The study of education in developing countries has been transformed by the rapid increase in the feasibility and prevalence of field experiments over the past 15 years. This paper comprises three main sections. First, it illustrates the very broad range of research questions regarding education...

Randomized field experiments designed to better understand the production of human capital have increased exponentially over the past several decades. This chapter summarizes what we have learned about various partial derivatives of the human capital production function, what important partial...

This chapter reviews the theory of the voluntary public and private redistribution of wealth elaborated by economic analysis in the last forty years or so. The central object of the theory is altruistic gift-giving, construed as benevolent voluntary redistribution of income or wealth. The theory...