Environmental conditional cash transfers, or "payments for ecosystem services" are a centerpiece of global efforts to protect biodiversity, safeguard watersheds, and mitigate climate change by reducing forest loss. This paper evaluates the impacts of Mexico's national payments for ecosystem...

This paper tests the effectiveness of an entertainment education television series, MTV Shuga, aimed at providing information and changing attitudes and behaviors related to HIV/AIDS. Using a simple model, the paper shows that "edutainment" can work through an individual or a social channel....

Solar technologies have been associated with private and social returns, but their technological potential often remains unachieved because of persistently low demand for high-quality products. In a randomized field experiment in Senegal, we assess the potential of three types of quality...

This paper presents results from a randomized field experiment that examined the effects of mass media campaigns informing about a new technology on the adoption decisions of households in rural Senegal. While some communities were exposed to a campaign broadcasted on national radio that...