R/inven.R

In JustinMShea/wooldRidge: 115 Data Sets from "Introductory Econometrics: A Modern Approach, 7e" by Jeffrey M. Wooldridge

#' inven
#'
#' Wooldridge Source: Economic Report of the President, 1997, Tables B-4, B-20, B-61, and B-71. Data loads lazily.
#'
#' @section 
#'
#' Used in Text: pages 408, 444, 643, 830
#'
#' @docType data
#'
#' @usage data('inven')
#'
#' @format A data.frame with 37 observations on 13 variables:
#' \itemize{
#'  \item \strong{year:} 1959-1995
#'  \item \strong{i3:} 3 mo. T-bill rate
#'  \item \strong{inf:} CPI inflation rate
#'  \item \strong{inven:} inventories, billions '92 $
#'  \item \strong{gdp:} GDP, billions '92 $
#'  \item \strong{r3:} real interest: i3 - inf
#'  \item \strong{cinven:} inven - inven[_n-1]
#'  \item \strong{cgdp:} gdp - gdp[_n-1]
#'  \item \strong{cr3:} r3 - r3[_n-1]
#'  \item \strong{ci3:} i3 - i3[_n-1]
#'  \item \strong{cinf:} inf - inf[_n-1]
#'  \item \strong{ginven:} log(inven) - log(inven[_n-1])
#'  \item \strong{ggdp:} log(gdp) - log(gdp[_n-1])
#' }
#' @source \url{https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041}
#' @examples  str(inven)
"inven"