For most of the developing world, microenterprises are a key source of income and employment creation. For many countries the informal sector, where most of the small enterprises exist, represents over 80% of employment (ILO 2012). These businesses often have a difficult time growing. There are...

Research and development (R&D) is a common process in for-profit organizations. Despite the benefits, it is not routinely practiced in nonprofit organizations, in part because it is difficult to identify the effects of programs that are designed to involve individuals over long periods of time....

Improving youth labor market outcomes is a primary concern for countriesaround the world. We conduct a randomized controlled trial in Tanzaniaon an intense gender-sensitive skills training program that workedwith over 53,000 youth in the region. After two years, we find the programincreased...

Replication and constructive controversy are essential for scientific progress. This paper reviews the impact of all replications published as comments in the American Economic Review between 2010 and 2020. We investigate the citation rates of comments and whether a comment affects its original...

This paper reviews the impact of replications published as comments in the American Economic Review between 2010 and 2020. We examine their citations and influence on the original papers' subsequent citations. Our results show that comments are barely cited, and they do not affect the original...

We conducted a randomized controlled trial to evaluate the impact of an innovative police patrol program on sexual harassment in public spaces in Hyderabad, India. In collaboration with the Hyderabad City Police, we randomized both exposure to police patrols and the visibility of officers by...

Can cash transfers promote employment and reduce poverty in rural Africa? Will lower youth unemployment and poverty reduce the risk of social instability? We experimentally evaluate one of Uganda's largest development programs, which provided thousands of young people nearly unconditional,...

Classic economic theory predicts that markets will clear, leaving little or no gains from trade left on the table. Laboratory experiments have largely confirmed this, though the results of recent field experiments have been mixed, with some artefactual markets in developing countries performing...