In this paper, the authors provide a theoretical review of option value and its relationship to a more familiar concept in decision analysis, the value of information. They further show how option value might be measured with the aid of a partly realistic and partly hypothetical example. The...

Earlier work on environmental decisions under uncertainty is extended from two periods to many, permitting treatment of a richer variety of problems. Implications for pollution control policy of several different kinds of ecosystem recovery dynamics are considered in the context of improving...

This paper examines the potential role of civil society action in increasing state accountability for development in Sub-Saharan Africa. It further develops the analytical framework of the World Development Report 2004 on accountability relationships, to emphasize the underlying political...