plm (version 2.6-4)

Grunfeld: Grunfeld's Investment Data

Description

A balanced panel of 10 observational units (firms) from 1935 to 1954

Format

A data frame containing :

firm

observation

year

date

inv

gross Investment

value

value of the firm

capital

stock of plant and equipment

Details

total number of observations : 200

observation : production units

country : United States

References

BALT:01plm

BALT:13plm

GRUN:58plm

KLEI:ZEIL:10plm

website accompanying the paper with various variants of the Grunfeld data: https://www.zeileis.org/grunfeld/.

See Also

For the complete Grunfeld data (11 firms), see AER::Grunfeld, in the AER package.

Examples

if (FALSE) {
# Compare plm's Grunfeld data to Baltagi's (2001) Grunfeld data:
  data("Grunfeld", package="plm")
  Grunfeld_baltagi2001 <- read.csv("http://www.wiley.com/legacy/wileychi/
    baltagi/supp/Grunfeld.fil", sep="", header = FALSE)
  library(compare)
  compare::compare(Grunfeld, Grunfeld_baltagi2001, allowAll = T) # same data set
  }