Difference between revisions of "Hoover Index"
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Contents
Definition
For the purpose of measuring name, sector or geographic concentration, the Hoover Index is a simple index defined in terms of the absolute deviation from the mean (The norm).
Details
More precisely, if we have n exposures summing up to a total exposure of
an average exposure
and fractional exposures are defined as
Then the Hoover index is defined as
Usage
None
Variations
None
Issues and Challenges
None
Implementations
Open Source implementations of the Hoover index are available in
- the Python library Concentration Library
See Also
None