% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/data.R
\docType{data}
\name{cigar}
\alias{cigar}
\title{Dataset on US Cigarette Demand Panel}
\format{
A data frame with 1,380 rows and 9 variables:
\describe{
\item{state}{US state identifier (integer, 1--46)}
\item{year}{year (integer, 1963--1992)}
\item{price}{cigarette price index}
\item{pop}{state population}
\item{pop16}{population aged 16 and over}
\item{cpi}{consumer price index}
\item{ndi}{per-capita disposable income}
\item{sales}{per-capita cigarette sales (packs per person per year)}
\item{pimin}{minimum cigarette price in adjoining states}
}
}
\source{
Baltagi, B.H. (1995) \emph{Econometric Analysis of Panel Data}.
Wiley. Distributed with the \pkg{plm} R package (Croissant and Millo 2008).
}
\usage{
cigar
}
\description{
Balanced panel of cigarette sales and prices across 46 US states
for 30 years (1963--1992). Originally used in Baltagi (1995) and
widely used as a benchmark dataset for panel estimators.
}
\references{
Baltagi, B.H. (1995). \emph{Econometric Analysis of Panel Data}. Wiley.

Croissant, Y. and Millo, G. (2008). Panel data econometrics in R: the plm
package. \emph{Journal of Statistical Software}, 27(2), 1--43.
\doi{10.18637/jss.v027.i02}
}
\keyword{datasets}
