AP {DCchoice} R Documentation

## Albemarle-Pamlico sounds CVM data

### Description

Double-bounded dichotomous choice survey data for quality inprovements in the Albemarle-Pamlico sounds, North Carolina.

### Usage

data(AP)


### Format

a data frame containing 721 observations.

bid1

a vector of bids expressd in USD.

bid2

a vector of bids expressd in USD.

R1

a vector of binary dummies equal to 1 if the bid is accepted and 0 otherwise.

R2

a vector of binary dummies equal to 1 if the bid is accepted and 0 otherwise.

income

a numeric vrector containing the annual household income in 1995 USD of the respondent

work

a vector of binary dummies equal to 1 if the respondent is employed in fulltime and 0 otherwise.

age

a numeric vector containing the age of the respondent.

female

a vector of binary dummies equal to 1 if the respondent is female and 0 otherwise.

married

a vector of binary dummies equal to 1 if the respondent is married and 0 otherwise.

### Details

The original data are based on a telephone survey regarding quality improvements in the Albemarle-Pamlico sounds, North Carolina. The data were intensively analyzed, for instance, in Whitehead (1995) and Whitehead, et. al. (1998) in different contexts. Details of the survey can be found in the web site (see Source for the URL).

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.

### Source

The complete data and details can be obtained in the online version of Whitehead (2015).

The data are included here under kind permission from Professor John Whitehead, Appalachian State University.

### References

Whitehead JC (1995). “Willingness to Pay for Quality Improvements: Comparative Statics and Interpretation of Contingent Valuation Results.” Land Economics, 71(2), 207–215.

Whitehead JC (2015). “Albemarle-Pamlico Sounds Revealed and Stated Preference Data.” Data in Brief, 3, 90–94.

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.

[Package DCchoice version 0.1.0 Index]