Electric {Greene} | R Documentation |
a cross-section from 1970
number of observations : 158
observation : firms
country : United States
data(Electric)
A dataframe containing :
“123 1970 cross-section firm level observations.”
“Note the file contains some extra observations. These are holding companies. Use only the first 123 observations to replicate Christensen and Greene.”
Christensen, L. and W. H. Greene (1976) “Economies of scale in U.S. electric power generation”, Journal of Political Economy , 84, 655-676.
Greene, W.H. (2003) Econometric Analysis, Prentice Hall, chapter 4, 317-320.