If the Top Four Firms Account for $85 Billion in Sales

question 92

Multiple Choice

If the top four firms account for $85 billion in sales and total industry sales are $250 billion, it follows that the four-firm concentration ratio is

• A)0.34.
• B)0.66.
• C)1.34.
• D)1.66.

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Definitions:

Compound

A substance formed from two or more elements chemically united in fixed proportions, often exhibiting properties different from those of the individual elements.

Electric Energy

Electric energy is the form of energy generated by the movement of electrons through conductors, and it can be used for a variety of applications including lighting, heating, and powering motors.

Commutator Segments

Sections of a commutator, which is a device used in electric motors and generators to reverse the direction of current.

External Circuit

The portion of an electrical circuit that is outside the internal system, connecting it to external devices or other circuits.