Examlex
Write the balanced reaction equation for the decomposition of solid ammonium perchlorate into nitrogen gas, chlorine gas, oxygen gas, and water vapor.
Industry Sales
The total revenue generated by all companies within a specific sector or industry.
Oligopoly
A market structure dominated by a small number of firms, leading to a high level of market control and potential for collaboration on prices and policies.
Herfindahl Index
A measure used to calculate the concentration of market power within an industry, determined by summing the squares of the market share percentages held by each firm within the market.
Four-Firm Concentration Ratio
A measure of market concentration, calculated as the percentage of total market sales accounted for by the four largest firms in an industry.
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