Two Industries That Have the Same Four-Firm Concentration Ratio Can

question 24

True/False

Two industries that have the same four-firm concentration ratio can have significantly different Herfindahl indexes.

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Definitions:

Accounting Profits

The net earnings of a company as calculated by subtracting total expenses from total revenues, according to standard accounting practices.

Perfect Competitor

A theoretical market structure where many firms sell homogeneous products, entry and exit from the market are free, and all participants have perfect information.

Perfectly Elastic

Perfectly elastic describes a situation where the quantity demanded or supplied changes by an infinite amount in response to any change in price, represented graphically as a horizontal line.

Demand Curve

A graph showing the relationship between the price of a good and the quantity demanded.