Data set used for example 4.7 and 4.9.3, p.114 and p.124, of An introduction to Efficiency and Productivity Analysis, 2nd edition.
data("multil_data")
A data frame with 5 observations on the following 4 variables.
year
years of observation
x1
a numeric vector containing quantities of labor
x2
a numeric vector containing quantities of capital
x3
a numeric vector containing quantities of other inputs
T. J. Coelli, D. S. Prasada Rao, C. J. O'Donnell, and G. E. Battese. An introduction to Efficiency and Productivity Analysis, 2nd edition. Springer Science + Business Media, New York, 2005.