gnrprod: Estimates Gross Output Functions

#' Colombian plant-level production data
#'
#' @description Plant-level production data for the food products industry (International Standard Industrial Classification code 311) in Colombia.
#'
#' @format A data frame with seven variables:
#' \describe{
#' \item{\code{share}}{log intermediate input's revenue share}
#' \item{\code{id}}{firm id}
#' \item{\code{year}}{the last two digits of a year between 1981 and 1991}
#' \item{\code{RGO}}{log of real gross output with base year 1981}
#' \item{\code{L}}{log labor in level employee years}
#' \item{\code{K}}{log real capital stock with base year 1981}
#' \item{\code{RI}}{log real intermediate inputs with base year 1981}
#' }
#'
#' For a complete listing of data, see \doi{10.1086/707736}.
#' 
#' @references Gandhi, Amit, Salvador Navarro, and David Rivers. 2020. "On the Identification of Gross Output Production Functions." *Journal of Political Economy*, 128(8): 2973-3016. \doi{10.1086/707736}.
"colombian"