GoosePermitsR Documentation

Goose Permit Study

Description

237 hunters were each offered one of 11 cash amounts (bids) ranging from $1 to $200 in return for their goose permits. Hunters returned either their permit or the cash.

Usage

data(GoosePermits)

Format

A data.frame with 11 observations on the following 3 variables.

itemcodebid amount offered for permit (US $) (numeric) itemcodekeep number of hunters who kept the permit and returned the cash (numeric) itemcodesell number of hunters who kept the cash and returned the permit (numeric)

Source

Bishop and Heberlein. "Measuring values of extramarket goods: are indirect measures biased?". Amer. J. Agr. Econ. 61, 1979. Available at http://www1.udel.edu/johnmack/frec343/bishop_and_heberlein.pdf.

Examples

data(GoosePermits)

goose.model <- 
  glm( cbind(keep, sell) ~ log(bid), data = GoosePermits, family = binomial())
if (require(ggformula)) {
  y.hat <- makeFun(goose.model)
  gf_point( (keep/(keep+sell)) ~ bid, data = GoosePermits, ylim = c(0,1.05)) %>%
  gf_fun(y.hat(b) ~ b, add = TRUE, color = "red", alpha = 0.5) 
}