References
- Boyle , K. J. W. H. , Devousges , F. R. , Johnson , R. W. , Dunford and Hudson , S. P. 1994 . An investigation of part-whole biases in contingent-valuation studies . Journal of Environmental Economics and Management , 27 : 64 – 83 .
- Cummings , R. G. , Harrison , G. W. and Rutström , E. E. 1995 . Homegrown values and hypothetical surveys: is the dichotomous choice approach incentive-compatible? . American Economic Review , 85 : 260 – 266 .
- Hanemann , W. M. 1984 . Welfare valuations in contingent valuation experiments with discrete responses . American Journal of Agricultural Economics , 66 : 332 – 341 .
- Neill , H. R. , Cummings , R. G. , Ganderton , P. T. , Harrison , G. W. and McGuckin , T. 1994 . Hypothetical surveys and real economic commitments . Land Economics , 70 : 145 – 154 .
- Schkade , D. A. and Payne , J. W. 1994 . How people respond to contingent valuation questions: a verbal protocol analysis of willingness to pay for an environmental regulation . Journal of Environmental Economics and Management , 26 : 88 – 109 .
- Welsh , M. P. , Bishop , R. C. , Phillips , M. L. and Baumgartner , R. M. 1995 . GCES Non-Use Value Study, final report, prepared for Glen Canyon Environmental Studies Non-Use Value Committee , Hagler Bailly Consulting .