Objective: This article models the cost-effectiveness, from a societal viewpoint, of a dental caries prevention program using salt fluoridation for children 12 years of age, compared with non-intervention (or status quo) ...

When the area to be irrigated has a high slope gradient in the manifold line direction, an option is to use a tapered pipeline to economize on pipe costs and to keep the pressure head variations within desired limits. The ...

When the area to be irrigated has a high slope gradient in the manifold line direction, an option is to use a tapered pipeline to economize on pipe costs and to keep the pressure head variations within desired limits. The ...

Increasing interest in the use of marketable permits for pollution control has become evident in recent years. Concern regarding their performance still remains because empirical evidence has shown transaction costs and ...

We study the design of an economic incentive based program e a subsidy e to induce adoption of more efficient technology in a pollution reduction program in southern Chile. Stated preferences methods, contingent valuation ...

The Brazilian National School Feeding Program (PNAE) plays an important role in Brazilian National Education and given its broad structure and context, may serve as a guide for other developing countries. However, due to ...