1. Measuring values of extramarket goods: Are indirect measures biased?;Bishop;American Journal of Agricultural Economics,1979
2. Cummings, R.G., Brookshire, D.S., Schulze, W.D. (Eds.), 1986. Valuing Environmental Goods: An Assessment of the Contingent Valuation Method, Rowman and Allanheld, NJ.
3. Homegrown values and hypothetical surveys: Is the dichotomous choice approach incentive-compatible?;Cummings;American Economic Review,1995
4. Contingent valuation: Is some number better than no number?;Diamond;Journal of Economic Perspectives,1994
5. Valuing the environment through contingent valuation;Hanemann;Journal of Economic Perspectives,1994