Description Usage Format Source References Examples
Obs: 56 sales of cocaine
1 | data("cocaine")
|
A data frame with 56 observations on the following 4 variables.
price
price per gram in dollars for a cocaine sale
quant
number of grams of cocaine in a given sale
qual
quality of the cocaine expressed as percentage purity
trend
a time variable with 1984 = 1 up to 1991 = 8
http://principlesofeconometrics.com/poe4/poe4.htm
These data are a subset of those used in the study Caulkins, J.P. and R. Padman (1993), "Quantity Discounts and Quality Premia for Illicit Drugs", Journal of the American Statistical Association, 88, 748-757.
1 2 |
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