Description Usage Format Source Examples
Obs: 40 households over 3 years
1 | data("liquor")
|
A data frame with 40 observations on the following 7 variables.
hh
household
l1
expenditure on liquor in year 1 (thousands of dollars)
x1
income in year 1 (thousands of dollars)
l2
expenditure on liquor in year 2 (thousands of dollars)
x2
income in year 2 (thousands of dollars)
l3
expenditure on liquor in year 3 (thousands of dollars)
x3
x3 = income in year 3 (thousands of dollars)
http://principlesofeconometrics.com/poe4/poe4.htm
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