R/laborpanel.R

In camerondata: Datasets from "Microeconometrics: Methods and Applications" by Cameron and Trivedi

#' Hours worked and wages
#'
#' Data on 532 males over 10 years (1979-1988) from Ziliak (1997),
#' collected from the Panel Study of Income Dynamics.
#'
#'
#'
#' @usage laborpanel
#'
#' @format A data frame with 5320 observations and 8 variables:
#' \describe{
#'   \item{lnhr}{log of annual hours worked}
#'   \item{lnwg}{log of of hourly wage}
#'   \item{kids}{number of children}
#'   \item{ageh}{age}
#'   \item{agesq}{quadratic age}
#'   \item{disab}{= 1 if bad health}
#'   \item{id}{identification code}
#'   \item{year}{interview year}
#'
#' }
#' @section Section in Text:
#' 21.3 Linear Panel Example: Hours and Wages, pp. 708-15
#' @source \url{http://cameron.econ.ucdavis.edu/mmabook/mmadata.html}
#' @references
#' Cameron, A. and Trivedi, P. (2005), "Microeconometrics: Methods and
#' Applications," Cambridge University Press, New York.
#'
#' Ziliak, J. (1997), "Efficient Estimation With Panel Data when
#' Instruments are Predetermined: An Empirical Comparison of
#' Moment-Condition Estimators,"
#' Journal of Business and Economic Statistics, 15, 419-431.
#' \url{https://amstat.tandfonline.com/doi/abs/10.1080/07350015.1997.10524720}
#'
#' Panel Study of Income Dynamics (PSID),
#' \url{https://psidonline.isr.umich.edu}
#' @examples
#' summary(laborpanel)
"laborpanel"