hh {politicsR} | R Documentation |
Herfindahl–Hirschman concentration index
Description
'hh()' calculates the Herfindahl–Hirschman concentration index.
Usage
hh(x)
Arguments
x |
( |
Value
The result of the index is a value between 0 and 1. The closer to zero, the lower the concentration; the closer to 1, the higher the concentration.
References
Hirschmaņ, Albert O. (1945). National Power and Structure of Foreign Trade, Berkley: Univ of California Press.
Herfindahl, Orris C. (1950). Concentration in the us steel industry. Unpublished PhD. Dissertation, Columbia University.
Examples
hh(c(0.2, 0.3, 0.5))
[Package politicsR version 0.1.0 Index]