Search results
Results From The WOW.Com Content Network
In economics, concentration ratios are used to quantify market concentration and are based on companies' market shares in a given industry. A concentration ratio (CR) is the sum of the percentage market shares of (a pre-specified number of) the largest firms in an industry.
In economics, market concentration is a function of the number of firms and their respective shares of the total production (alternatively, total capacity or total reserves) in a market. [1] Market concentration is the portion of a given market's market share that is held by a small number of businesses.
In order to calculate the N-firm concentration ratio, one usually uses sales revenue to calculate market share, however, concentration ratios based on other measures such as production capacity may also be used. For a monopoly, the 4-firm concentration ratio is 100 per cent whilst for perfect competition, the ratio is zero. [37]
N-firm concentration ratio, N-firm concentration ratio is a common measure of market structure. This gives the combined market share of the N largest firms in the market. [ 9 ] For example, if the 5-firm concentration ratio in the United States smart phone industry is about .8, which indicates that the combined market share of the five largest ...
The higher the four-firm concentration ratio is, the less competitive the market is. When the four-firm concentration ration is higher than 60, the market can be classified as a tight oligopoly. A loose oligopoly occurs when the four-firm concentration is in the range of 40-60. [21]
PwC, Deloitte, EY, and KPMG are the four biggest accounting and consulting firms in the world. These are the leaders who run them. Meet the leaders of the Big 4, who jointly employ 1.5 million staff
From December 2008 to December 2012, if you bought shares in companies when Linda B. Bammann joined the board, and sold them when she left, you would have a -62.3 percent return on your investment, compared to a 61.1 percent return from the S&P 500.
But as market shares of the 20-firm industry diverge from equality the Herfindahl can exceed that of the equal-market-share 3-firm industry (e.g., if one firm has 81% of the market and the remaining 19 have 1% each, then =). A higher Herfindahl signifies a less competitive (i.e., more concentrated) industry.