This paper is based on an ongoing joint work with David Sahn and Xiaobo Zhang.

Aflatoxins are poisons that occur naturally in the environment. They are produced mainly by the Aspergillus flavus and Aspergillus parasiticus fungi, which can affect many of important staple crops: maize, sorghum, millet, rice, oilseeds, spices, groundnuts, tree nuts, and cassava. Hot, humid,...

This paper evaluates farmers’ willingness to pay (WTP) for the vegetative propagated orange fleshed sweetpotato (OFSP) planting material that is many times considered as a public good. Famers’ WTP for OFSP vines was elicited by conducting a real choice experiment (RCE) among 121 small...

The need to address extreme poverty from the perspective of marginality arises from the frustration that the number of the poorest and hungry remains unacceptably high. This triggered the call for an innovative approach from the side of science and action. The conceptual and analytical framework...

The use of mobile phones in poverty reduction and development has ignited much interest over the past decade. To take advantage of the rapid expansion of mobile phones in developing countries, businesses, government agencies and non-governmental organisations are increasingly turning their...

Xi Chen acknowledges generous Doctoral Research Grant from the Institute for the Social Sciences at Cornell University and precious data set provided by the Development Strategy and Governance Division at IFPRI. Conference Travel Grant provided by the Department of Applied Economics and...

Replaced with revised version of paper 07/02/10.

This paper is based on our ongoing joint work with Ravi Kanbur. Xi Chen is grateful to Ravi Kanbur for invaluable comments, guidance and encouragement. For comments and suggestions, please direct correspondence to Xi Chen at xc49@cornell.edu.

Numerous national transfer programs around the world are designed with uniform benefit schedules imposed by central governments, but implemented by local governments. The Productive Safety Net Program (PSNP) in Ethiopia, the second largest safety net in Sub Saharan Africa, is one such program....