The canonical consumer demand model predicts that as the price of a substitute decreases, quantity demanded for a good decreases. In the case of demand for sexual activity and availability of alternative leisure activities, popular culture expresses this prediction as “television kills your...

Economic growth and development have improved human health in many regions, while sub-Saharan Africa continues to lag behind. Economic theory and the existing empirical evidence suggest that development may not generate large reductions in the leading cause of adult mortality in the region,...

More than two of every five students who enroll in college fail to graduate within six years. Prior research has identified ineffective study habits as a major barrier to success. We conducted a randomized controlled advertising experiment designed to increase demand for academic support...

We design a commitment contract for college students, "Study More Tomorrow," and conduct a randomized control trial testing a model of its demand. The contract commits students to attend peer tutoring if their midterm grade falls below a prespecified threshold. The contract carries a financial...