Conceptual weaknesses in the use of costs of average abatement as a measure of the cost effectiveness of agricultural nonpoint pollution control are examined. A probabilistic alternative is developed. The focus is on methods for evaluating whole-farm pollution control plans rather than...

Failure of land markets to account for environmental amenity benefits may lend support to public policies to protect agricultural land. The contingent valuation method is employed to estimate willingness to pay for such amenities in Greenville County, South Carolina. Marginal household amenity...