Kvålseth, Tarald O. - In: Contemporary economics 16 (2022) 1, pp. 51-60
The Herfindahl-Hirschman index (HHI) appears to be the most widely used index of market or industrial concentration. It is a summary measure that indicates the degree of competition, market power, and efficiency within a market or an industry. The HHI is also used by government agencies when...
