Many basic economic theories with perfectly functioning markets do not predict the existence of the vast number of microenterprises readily observed across the world. We put forward a model that illuminates why financial and managerial capital constraints may impede experimentation, and thus...

We show how financial and managerial constraints impede experimentation and thus limit learning about the profitability of investments. Imperfect information about one's own type, but willingness to experiment to learn one's type, leads to short-run negative expected returns to investments, with...

The investment decisions of small-scale farmers in developing countries are conditioned by the farmers’ financial environment. Binding credit-market constraints and incomplete insurance can reduce investment in activities with high expected profits. We conducted several experiments in northern...

We evaluate, using a randomized trial, two school-based financial literacy education programs in government-run primary and junior high schools in Ghana. One program integrated financial and social education, whereas the second program only offered financial education. Both programs included a...

The investment decisions of small‐scale farmers in developing countries are conditioned by their financial environment. Binding credit market constraints and incomplete insurance can reduce investment in activities with high expected profits. We conducted several experiments in northern Ghana...

We study the impact of cognitive behavioral therapy (CBT) for individuals se- lected from the general population of poor households in rural Ghana. Results from 2-3 months after a randomized intervention show strong impacts on mental and physical health, cognitive and socioemotional skills, and...