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Perfect competition exists where an industry's concentration ratio is CR n = n/N, where N is the number of firms in the industry. That is, all firms have an equal market share. Low concentration – 40% A concentration ratio of close to 0% implies perfect competition at the least. This is only possible in an industry where there is a very large ...
In most cases, high market concentration produces undesirable consequences such as reduced competition and higher prices. [2] The market concentration ratio measures the concentration of the top firms in the market, this can be through various metrics such as sales, employment numbers, active users or other relevant indicators. [1]
The model has "variable factor proportions" between countries—highly developed countries have a comparatively high capital-to-labor ratio compared to developing countries. This makes the developed country capital-abundant relative to the developing country, and the developing nation labor-abundant in relation to the developed country.
Anti-concentration inequalities, on the other hand, provide an upper bound on how much a random variable can concentrate, either on a specific value or range of values. A concrete example is that if you flip a fair coin n {\displaystyle n} times, the probability that any given number of heads appears will be less than 1 n {\displaystyle {\frac ...
The carbon Palma ratio, which is derived from the income Palma ratio and described as the ratio of the total emissions of the top 10% of emitters to those of the bottom 40%, is proposed as a new indicator to inform the international community and the general public about the distribution inequality of carbon emissions among individuals.
Retail concentration refers to the market-share generally belonging to the top 4 or 5 mass distribution firms present in a regional market, as a percentage of the total. Retail concentration is not simply a concentration ratio as is emerging in the food sector. This is due to two factors: the particular relevance retail is gaining on a global ...
A cost-performance ratio with a positive value (i.e. greater than 1) indicates that costs are running under budget. [3] A negative value (i.e. less than 1) indicates that costs are running over budget. [3] However, a neutral cost-performance ratio (between 1.0 and 1.9) could suggest a certain degree of stagnation in the budget.
For a single loan, the concentration ratio is simply the proportion of the portfolio the loan represents (e.g. a $100 loan in a $1000 portfolio would have a ratio of 0.1 or 10%) For a whole portfolio, a herfindahl index is used to calculate the degree of concentration to a single name, sector of the economy or country. Separate concentration ...