The Herfindahl-Hirschman Index Is Calculated by ________

The Herfindahl-Hirschman Index is calculated by ________.

A) adding the market share of each firm in the market and squaring the resulting number
B) squaring the market share of each firm competing in the market and then summing the resulting numbers
C) adding the number of firms in the market and squaring the resulting number
D) adding the profit earned by each firm in the market