HHI: Stata module to compute Herfindahl index
hhi computes Herfindahl-Hirschman index also commonly known as concentration measure in economics and finance and Simpson index in ecology. It allows user to generate new 'hhi' variables for large data panels and export output in table format.
|Requires:||Stata version 9|
|Date of creation:||28 Aug 2012|
|Date of revision:||30 Aug 2012|
|Note:||This module should be installed from within Stata by typing "ssc install hhi". Windows users should not attempt to download these files with a web browser.|
|Contact details of provider:|| Postal: |
Web page: http://fmwww.bc.edu/EC/
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|Order Information:||Web: http://repec.org/docs/ssc.php|
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