data(AP)
The original data have $1077$ observations and include the bids and the responses of the double-bounded dichotomous choice survey. Various socio-demographic characteristics are also collected by the survey.
A subset of the data consisting of the responses to the CVM questions as well as minimum number of socio-demographic characteristics. In addition, observations with missing values were removed from the subset.
Whitehead JC (2015). Albemarle-Pamlico Sounds Revealed and Stated Preference Data. Data in Brief, 3, 90--94. http://dx.doi.org/10.1016/j.dib.2015.01.006
Whitehead JC, Haab TC, Huang JC (1998). Part-Whole Bias in Contingent Valuation: Will Scope Effects be Detected with Inexpensive Survey Methods? Southern Economic Journal, 65(1), 160--168.