number of observations : 1827
observation : individuals
country : Australia
A dataframe containing :
lower bound of willingness to pay, 0 if observation is left censored
upper bound of willingness to pay, 999 if observation is right censored
an ordered factor with levels
nn (respondent answers no, no),
ny (respondent answers no, yes or yes, no),
yy (respondent answers yes, yes)
the greatest value of national parks and nature reserves is in recreation activities (from 1 to 5)
jobs are the most important thing in deciding how to use our natural resources (from 1 to 5)
development should be allowed to proceed where environmental damage from activities such as mining is possible but very unlikely (from 1 to 5)
it's important to have places where wildlife is preserved (from 1 to 5)
it's important to consider future generations (from 1 to 5)
in deciding how to use areas such as Kakadu national park, their importance to the local aboriginal people should be a major factor (from 1 to 5)
in deciding how to use our natural resources such as mineral deposits and forests, the most important thing is the financial benefits for Australia (from 1 to 5)
if areas within natural parks are set aside for development projects such as mining, the value of the parks is greatly reduced (from 1 to 5)
there should be more national parks created from state forests (from 1 to 5)
the government pays little attention to the people in making decisions (from 1 to 4)
the respondent recycles things such as paper or glass and regularly buys unbleached toilet paper or environmentally friendly products?
the respondent has visited a national park or bushland recreation area in the previous 12 months?
the respondent watches TV programs about the environment? (from 1 to 9)
the respondent is member of a conservation organization?
years of schooling
respondent's income in thousands of dollars
the respondent received the major–impact scenario of the Kakadu conservation zone survey ?
Werner, Megan (1999) “Allowing for zeros in dichotomous–choice contingent–valuation models”, Journal of Business and Economic Statistics, 17(4), October, 479–486.
Journal of Business Economics and Statistics web site : https://amstat.tandfonline.com/loi/ubes20.