Namibian hake is the most important fish resource in Namibia. This monograph is a compilation of all the hake data, historic and recent, that has been used to inform stock assessment and management…

What are the impacts of climate change on the Ethiopian economy? Agriculture in Ethiopia is heavily dependent on rain. In addition to its low adaptive capacity, its geographical location and…

Deforestation and forest degradation are estimated to account for between 12 percent and 20 percent of annual greenhouse gas emissions. These activities, largely in the developing world, released…

The restitution of parkland to the Khomani San “bushmen” and Mier “agricultural” communities in May 2002 marked a significant shift in conservation in the Kgalagadi Transfrontier Park and environs in…

How does uncertainty about “dangerous” climate change affect the prospects for international cooperation? Climate negotiations usually are depicted as a prisoners’ dilemma game; collectively…

Hypothetical bias in stated-preference methods appears sometimes to be very large, and other times non-existent. This is here largely explained by a model where people derive utility from a positive…

We argue for integrating the consideration of location in policy planning in three ways, in order to help to predict policy impacts on deforestation and, thereby, improve policy choices. Policies must…

Price uncertainty is a major constraint to a sustained increase in staple food production. This paper reviews the trends and patterns of addressing this age-old problem over the course of the past…

We examine regulations for managing pest resistance to pesticide varieties in a temporally and spatially explicit framework. We compare the performance of the EPA’s mandatory refuges and a tax (or…

Regulating common-pool resources is welfare enhancing for society but not necessarily for all users who therefore may oppose regulations. We examine the short-term impact of common-pool resource…