A multiple-market framework is developed to measure the size and distribution of research benefits. The model considers an upstream raw product market and a downstream finished productmarket and allows for imperfect competition in the intermediary food-processing sector. A central conceptual...

We address the impacts of regulations designed to reduce pesticide poisoning of farmers and farm laborers. Attention is concentratedon pre-harvest interval regulations that impose a time interval between pesticide application and harvest. The incidence of poisoning is determined by aggregate...

Centralized collection and disposal is an integral component of waste management strategies for many solid and liquid wastes, and carbon capture and storage is currently being considered for gaseous waste. In this paper we show how collective waste disposal systems introduce essential changes in...

The paper concerns the cost of federal policies to protect endangered species in a legal system that gives primary authority over land use decisions to state and local governments. A conceptual model captures the essential features of federal interventions to conserve habitat for listed species,...