The study examines the cost-effectiveness of screening pregnant women in Belgium for the presence of hepatitis B virus (HBV) and of vaccinating the newborns if necessary. The alternative strategy considered is 'doing nothing'. The rate of carriership among a sample of pregnant women in Belgium...

This paper presents experience on working with farmers in water scarce environments in improving crop yield through the application of locally available materials in semi-arid areas of Mpwapwa District, central Tanzania. Findings are presented from the interdisciplinary study that involved...

A positive mathematical programming model was constructed in this study to assess the effect of three water pricing scenarios on Teboulba’s agricultural production systems. The effects of these scenarios were estimated for three groups of farmers from three irrigated districts. Results...