Examlex
The superior vena cava is formed by the merging of the _______ veins.
Four-firm Concentration Ratio
An indicator of the extent to which the four largest firms dominate an industry, measured by their combined market share.
Herfindahl Index
A measure of market concentration, calculated by summing the squares of the market shares of all firms in the market.
Four-Firm Sales Concentration Ratio
A measure indicating the total market share of the four largest firms within an industry, used to assess the level of market competition.
Geographic Concentration
The phenomenon where certain industries or businesses are clustered in specific regions, often due to advantages like resources or skilled labor.
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