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Different businesses are said to be unrelated when
Oligopoly
An economic condition where few companies have significant control over an industry or product, limiting competition and potentially influencing prices and production.
Herfindahl-Hirschman Index
An index used to assess the concentration of market power to determine the degree of competition in a sector.
Squared Market Shares
A measure used in economics to assess the level of market concentration by squaring the market share percentages of each firm within the industry and then summing them.
Concentration
The degree of market power held by a few companies within an industry, often measured using indices like the HHI.
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