concentration ratio

Concentration ratios are the most common measures of market power.

The higher the concentration ratio, the greater the market power of the leading firms.

CR4 is the acronym for the concentration ratio of the top four firms in the industry.

Many existing firms leave the industry, thereby increasing the industry's concentration ratio.

Four firm concentration ratios were "substantial" particularly in the market for underwriting.

The median indoor–outdoor SO2 concentration ratio was 0.13 for both communities.

Peak optical concentration ratio for an ideal lens is 1.91.

The concentration ratio is the percentage of market share held by the largest firms (m) in an industry.

A useful calculation for this is the patronage concentration ratio.

• The concentration ratio for the top five life insurance companies was approximately 60 per cent in 1999.

Economists generally believe effective competition is not present when the concentration ratio exceeds 75 percent.

• Except for Jordan, their concentration ratios (based on domestic sales) are not high.

Concentration ratios range from 0 to 100 percent.

The five largest insurance company concentration ratio, as measured using domestic assets only for 2001, is 65 per cent.

Once these ratios are adjusted for trade, concentration ratios decline.

The table below exhibits the various concentration ratios within the poultry industry across selected years ranging back to 1965.

Vigilance on takeovers to check concentration ratio and verify market impact.

Tests have shown an unprecedented pointing accuracy and high thermal concentration ratios.

Higher concentration ratio values can be attained by using large apertures and small receiver.

TR increases with the concentration ratio, as shown in Figure 2.

The concentration ratios are also of interest.

The goal of many firms is to increase the patronage concentration ratio of its customers to 100%.

Concentration ratios (CR4) for most regions in Canada are close to one.

The four-firm concentration ratio measures the percentage of total industry output attributable to the top four companies.

Concentration ratio, in economics, a measure of market concentration.