Despite improvements in production incentives, agricultural output in Africa remained sluggish through the 1990s. Low use of purchased inputs may be part of the cause of persistently low productivity in African agriculture. This article analyzes the roles of relative prices and transactions...

This paper presents a multi-market model of animal disease control that extends the current literature by accounting for spatial and inter-temporal relations in both epidemiological and economic variables. The model is applied to Foot and Mouth Disease control in Argentina, Uruguay and Paraguay,...

This paper develops an option value model to examine the extent to which output price uncertainty creates incentives to adopt two interrelated components of site-specific technologies sequentially. It analyzes how the impact of uncertainty on the sequential adoption decision differs across...