This issue of Agricultural Economics is a special issue containing articles on model performance in assessing the effects of climate change, bioenergy policy, and socioeconomics on agriculture. The contributions present results from a global economic model intercomparison activity undertaken as...

In the canonical consumer demand problem, an agent makes a decision about quantities to consume, under the assumption that all varieties can be accessed at zero cost. In reality, the cost of accessing variety may not be zero. In this paper we study the effect of variety access cost on the...

This paper studies the links between agricultural employment and upland activities at a tropical forest margin. A model of lowland agricultural production is combined with a model of labor allocation on a representative upland farm to show how labor productivity, agricultural wages, and the...

We present a method for measuring the opportunity cost of sequestering carbon on tropical farms. We derive the rates of carbon sequestration for timber and agroforestry systems and compute incentive compatible compensating payment schedules for farmers who sequester carbon. The method is applied...

This article examines the determinants of activity choice affecting forest use among low-income households in Malawi. Data from three villages are used to estimate a system of household labor share equations for maize production, forest employment, and non-forest employment. A system estimation...