We develop a regional scale economic model for analyzing climate-change impacts on agriculture. Non-linear production functions describing yield responses to land allocation, water application and water salinity are integrated into a mathematical programming model. The responses to water...

pt. 1. Introduction -- pt. 2. Water scarcity in the Americas -- pt. 3. Serving the unserved -- pt. 4. Transboundary issues -- pt. 5. Indigenous cultures and rights -- pt. 6. Institutional innovations : learning from Asia -- pt. 7. Conclusions.