Financial incentives are a promising HIV prevention strategy. This paper assesses the effect on HIV incidence of a …. Lottery incentives appear to be particularly effective for individuals willing to take risks. This paper estimates a model …

due to investment incentives offered by other countries in the same geographic region …

promoted. Co-benefits are defined as positive externalities that arise deliberately as a result of a joint strategy that …, and, with a price signal missing, there is lack of clear incentives for investing in disaster risk management. Overall …

outcomes. The paper argues that the development marketplace is beset by market imperfections because of externalities …, but also take away incentives to learn about outcomes. A fundamental rethink of responsibilities and accountabilities in … describes the role of the evaluation function in aligning incentives with the ultimate goal of improving lives and provides …

-mile tolls could target congestion and accident externalities more efficiently than fuel taxes, although they are not practical … externalities (versus $0.22 without fuel taxes) would be most efficient. Current public bus and rail subsidies are relatively close … to efficient levels in the absence of such policies; however, if automobile and microbus externalities were fully …

This paper studies the growth effects of externalities associated with intergenerational health transmission, health …

incentives: receiving the religious message increases repayments by more than offering a cash rebate equivalent to 50 percent of …