The Fujita Scale Is Used to Measure the Strength of

question 27

Multiple Choice

The Fujita scale is used to measure the strength of

• A)tornadoes.
• B)hurricanes.
• C)blizzards.
• D)tsunami.

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Definitions:

Herfindahl Index

A measure of market concentration used to evaluate the level of competition within an industry, calculated by summing the squares of the market shares of all firms in the industry.

Four-Firm Concentration Ratio

A measure of market concentration that indicates the combined market share of the four largest firms in an industry.

Productive Efficiency

A situation where a good or service is produced at the lowest possible cost.

Allocative Efficiency

A state of the economy in which resources are allocated in a way that maximizes the total benefit to society.