NaturalPark | R Documentation |
a cross-section from 1987
number of observations : 312
observation : individuals
country : Portugal
data(NaturalPark)
A dataframe containing :
initial bid, in euro
higher bid
lower bid
a factor with levels (nn,ny,yn,yy)
age in 6 classes
a factor with levels (male,female)
income in 8 classes
Nunes, Paulo (2000) Contingent Valuation of the Benefits of natural areas and its warmglow component, PhD thesis 133, FETEW, KULeuven.
Verbeek, Marno (2004) A guide to modern econometrics, John Wiley and Sons, http://www.econ.kuleuven.ac.be/GME, chapter 7.
Index.Source
, Index.Economics
, Index.Econometrics
, Index.Observations