data(AP)The data are included here under kind permission from Professor John Whitehead, Appalachian State University.
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).
Whitehead JC, Haab TC, Huang JC (1998).