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
, KU Leuven.
Verbeek, Marno (2004) A Guide to Modern Econometrics, John Wiley and Sons, chapter 7.
Index.Source
, Index.Economics
, Index.Econometrics
, Index.Observations
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