This paper proposes a new interpretation of the farm size-productivity relationship. Using two rounds of the Ethiopian Rural Household Survey, and drawing on earlier work on five countries in Sub-Saharan Africa, the paper shows that the relationship between farm size and productivity is neither...

This article investigates the possibilities of including policy choices directly into a sector model that simulates an economic equilibrium It uses a mathematical programming framework because these models have wide applicability in agricultural sector analysis The objective function is...

The International Consortium on Agricultural Biotechnology Research held its 13th annual conference in Ravello, Italy in June 2009. The theme of the conference was the bioeconomy,and this topic was addressed through research presentations from academia, government, and industry. Numerous...

In this paper, we investigate the economics of concession under dynamic uncertainty using real option theory. We analyze the properties of concession as an instrument to privatize investment and management of public resources. In this context, we explore, in particular, three issues: (1) the...

Supporting value judgements about policies and programmes is a central task in evaluation. There is, however, little consensus on how evaluators are to accomplish this task.The traditional cost-benefit approaches were found wanting and yet valuation as promoted by checklists or qualitative...

The International Consortium on Agricultural Biotechnology Research held its 13th annual conference in Ravello, Italy in June 2009. The theme of the conference was the bioeconomy,and this topic was addressed through research presentations from academia, government, and industry. Numerous...

This paper presents a somewhat novel approach to explore the economic contribution of ecosystems. It develops linked models to capture connections between resource stocks and flows and the resulting micro and macroeconomic impacts. A bioeconomic model is developed that is imbedded into a...

This paper presents a somewhat novel approach to explore the economic contribution of ecosystems. It develops linked models to capture connections between resource stocks and flows and the resulting microeconomic and macroeconomic impacts. A bioeconomic model is developed that is imbedded into a...

This article analyzes the causes of the evolution of market forms, starting from the idea that a specific type of non public agents: the “institutional entrepreneurs" may be at the origin of social systems' “push from below” to induce institutional change. This idea is developed in a...

This report illustrates the application of a (relatively) new method to guide decision making under high (and unknowable) levels of uncertainty. The approach allows for the identification of robust policy options that are economically beneficial under different scenarios and varying levels...