logo image

Concentration Ratios and the Herfindahl-Hirshman Index (HHI)

Market concentration can be defined as the accumulated market shares of companies that will display the scope of how much of the supply of the product is held by the largest business entities. In this regard, there are two significant types of concentration ratios that are utilized at present: concentration ratios and the Herfindahl-Hirschmann Index. Concentration ratios gauge the scope of the market that a particular number of companies possess, specifically the top two four or eight companies.

In essence, these are economic instruments that are used to measure the amount of competition in a particular industry (Jonathan Jacobson, American Bar Association, 2007). The most commonly used concentration ratio is the four firm concentration ratio. This concentration ratio as the portion of the output of one industry that is sold by the four largest companies in that sector. If the industry analysis displays a ratio of 40 percent, then the industry is considered to be competitive. In this view, the degree of competition can be construed in the level of the ratio.

If the ratio is low, then the industry is competitive; if the ratio is high, then the sector is described either to be oligopolistic or monopolistic. The Herfindahl-Hirschmann Index (HHI)

Need essay sample on "Concentration Ratios and the Herfindahl-Hirshman Index (HHI)"? We will write a custom essay sample specifically for you for only $13.90/page

calculates the concentration ratios by squaring the market portion of the fifty largest companies in the sector, with the formula as follows: HHI = s12 + s22 + s32 + … + sn2 where the sn value to be established as the market share of the last firm (Investopedia, 2010). References Federal Trade Commission (2010). FTC Order protects consumers in US market for eye care drug used in cataract surgery.

Retrieved August 20, 2010, from http://www. ftc. gov/opa/ 2010/08/novartis. shtm Investopedia ULC. (2010). CFA Level 1-Microeconomics. Retrieved August 20, 2010, from http://www. investopedia. com/exam-guide/cfa-level-1/microeconomics/markets- concentration-measures. asp Jacobson, J. M. , American Bar Association. (2007). Antitrust law developments (6th). Chicago Illinois: ABA Publishing. National Center for Policy Analysis. (2009). Table for concentration ratios. Retrieved August 20, 2010, from http://www. ncpa. org/pub/st259? pg=3

Read full document

Can’t wait to take that assignment burden offyour shoulders?

Let us know what it is and we will show you how it can be done!
Sorry, but copying text is forbidden on this website. If you need this or any other sample, please register
Signup & Access Essays

Already on Businessays? Login here

No, thanks. I prefer suffering on my own
Sorry, but copying text is forbidden on this website. If you need this or any other sample register now and get a free access to all papers, carefully proofread and edited by our experts.
Sign in / Sign up
No, thanks. I prefer suffering on my own
Not quite the topic you need?
We would be happy to write it
Join and witness the magic
Service Open At All Times
Complete Buyer Protection
Plagiarism-Free Writing

Emily from Businessays

Hi there, would you like to get such a paper? How about receiving a customized one? Check it out https://goo.gl/chNgQy