Fundamentally, this paper is about the value of information. Whenever a cost-benefit analysis has to be undertaken using benefits that are estimated from household survey data the size of the survey sample must be specified. The most obvious case in the valuation of environmental amenity...

1. Introduction to the problem -- 2. Current efforts to induce continuous compliance -- 3. Excursions into law and technology -- 4. Economic models of monitoring and enforcement -- 5. Statistical background -- 6. A statistical quality control model -- 7. Lessons from game theory approaches -- 8....