The Herfindahl-Hirschman Index and the distribution of social surplus

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Authors: 
Yossi Spiegel

I show that in a broad range of oligopoly models the Herfindahl-Hirschman index (HHI) reflects the ratio of producer surplus to consumer surplus and therefore the division of surplus between firms' owners and consumers.

Date: 
06/16/2024

Published with

© 2013 The journal of Industrial Economics, Ltd.