1. Introduction -- 2. Co-Evolution of Agriculture and the Environment from the Beginning to the Present -- 3. Agricultural Land Use, Production, and Water Quality -- 4. Decision Making at the Farm Level -- 5. Environmental Policy Instruments for Agriculture -- 6. Water Quality Trading -- 7....

We examine policy instruments for ambient water quality protection. One objective is to illustrate the unique and complex informational challenges that must be addressed in constructing instruments that are effective and efficient for point and nonpoint sources. A second objective is to describe...