During the past 15 years, Ecuador has become the Western Hemisphere's leading producer and exporter of shrimp. Growth has come about largely through mariculture development. About 8,000 metric tons (MT) of shrimp have been captured off the Ecuadorian coast each year since the late 1970s....

This paper presents a dynamic optimal control model describing the benefits and costs associated with the development of tropical forests rich in plant and animal species and folk knowledge. The model is a framework to assess how various market and institutional incentives might influence both...