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Which of the following statements is true about alcohol use and sexual risk taking?
Herfindahl-Hirschman Index
A measure used to quantify the level of competition within an industry, calculated by squaring the market share of each firm and summing the total.
Market Share
The percentage of an industry's sales that a particular company controls.
Imperfectly Competitive Industry
An industry in which individual firms have some control over the price of their output.
Substitutes Exist
A situation in which multiple products or services can fulfill the same need or desire, allowing consumers to switch among them based on price, quality, or preference.
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