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Salima Bouayad Agha <Salima.Bouayad-Agha@univ-lemans.fr>
Mon, 20 Jun 2011 17:31:10 +0200
does anybody has any solution to compute an HHI (Hirshman-Herfindahl
Index) on panel data.
We had observation on a regional desagregated level (i) for 3
sectors(k), many years(t) and many countries (j) and we wanted to
compute this index at the contry level for each year.
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