Answer:
squaring the percentage market share of each firm in the industry and then summing the squared market shares.
Step-by-step explanation:
Financial accounting is an accounting technique used for analyzing, summarizing and reporting of financial transactions like sales costs, purchase costs, account payables and receivables of an organization using standard financial guidelines such as Generally Accepted Accounting Principles (GAAP) and financial accounting standards board (FASB).
Thus, it involves specific processes such as recording, summarizing, analysis and reporting of financial transactions with respect to business operations over a specific period of time.
Herfindahl-Hirschman index can be defined as a measure of the market concentration of a particular business firm or industry. Thus, it's typically used to measure the size of a particular business firm with respect to the industry it's operating in.
The Herfindahl-Hirschman index is a measure of concentration found by squaring the percentage market share of each firm in the industry and then summing the squared market shares.