[PDF] A mathematical analysis of the Hirfindahl-Hirschman Index

The HHI was first used by Hirschman in a trade study in the 1940s where the square root of the sum of squared market shares were calculated (Hirschman, 1980)

The Herfindahl-Hirschman index, better known as the Herfindahl index, is a statistical measure of concentration It has achieved an unusual degree of visibility

[PDF] Les indices de concentration et leur application concrète au secteur

C'est ainsi que le coefficient de Herfindahl-Hirschman confère un poids plus que proportionnel aux grandes entreprise~ au détriment des entreprises dont les

[PDF] SOME NOTES ON APPLYING THE HERFINDAHL-HIRSCHMAN

measure is the Herfindahl-Hirschman Index, HHI, especially when examining hor - izontal mergers (Whinston, 2006), nevertheless this concentration index has

[PDF] The Herfindahl#Hirschman Index and the distribution of social

24 juil 2020 · The Herfindahl#Hirschman Index (HHI) of concentration, calculated as the sum of the squared market shares of firms, is by now a standard