cocaine: Cocaine Data

Description Usage Format Source References Examples

Description

Obs: 56 sales of cocaine

Usage

1
data("cocaine")

Format

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

Source

http://principlesofeconometrics.com/poe4/poe4.htm

References

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.

Examples

1
2
data(cocaine)
## maybe str(cocaine) ; plot(cocaine) ...

ccolonescu/PoEdata documentation built on May 13, 2019, 2:17 p.m.