Rising oil prices has led to increased interest to replace domestic demand for liquid fuels for transport (petrol and diesel) with biofuel production (ethanol and biodiesel). One of the pioneers in biofuel production is Brazil, which since the 1970s has established a government program that…

Este documento es un summary del Informe sobre el desarrollo mundial 2008, realizado por el personal del Banco Internacional de Reconstrucción y Fomento/Banco Mundial. La agricultura es un instrumento de desarrollo fundamental para alcanzar el objetivo de desarrollo del milenio de reducir la…

Livestock play an important role for poor rural households in regions such as the Peruvian Andes. Research methods leading to a better understanding of the role of livestock in household poverty dynamics, and what better targeted policies and interventions may enhance that role, however, are not…

People’s perceptions of their environment
in high mountain rangelands ultimately
affect the fragile ecosystems on which
they depend, and thus their welfare. This is
especially true in developing countries,
where the livelihoods of people living in such ecosystems…

Previous studies have identified several anopheline species integral to the transmission of malaria in Belize. The highly efficient vector, Anopheles darlingi Root, is currently considered the most important. The preferred larval habitat of An. darlingi has been described as floating detritus…

A household-level switching regression model is implemented to examine potential selectivity bias for rural households under high and low levels of investments in soil conservation in El Salvador and Honduras. In the presence of selectivity bias, separate stochastic production frontiers are…