The authors report results from a randomized evaluation comparing three school-based HIV/AIDS interventions in Kenya: (1) training teachers in the Kenyan Government's HIV/AIDS-education curriculum; (2) encouraging students to debate the role of condoms and to write essays on how to protect...

Mounting costs of anthropogenic climate change reveal that adaptation will be essential to human well-being in coming decades. At the same time, the literature on the economics of adaptation offers relatively little guidance for emerging policy. In this chapter, we review the existing...