-The Table Above Lists the Market Shares of the Twenty

question 82

Multiple Choice

-The table above lists the market shares of the twenty makers of personal computers. The four-firm concentration ratio tells us that

• A) the four largest firms have 20 percent of the market.
• B) there are no barriers to entry in this market.
• C) the firms sell differentiated products.
• D) all firms sell identical products.

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Definitions:

Linguistic Divergence

The process by which languages change over time, leading to the creation of new languages or dialects from a common ancestor language.

Forces

Refers to influences or powers that cause an object to undergo a certain change, in direction, movement, or growth.

Gesture-Call System

A mode of communication among animals and early humans that combines gestures and vocalizations to convey messages or signals.

Examples

Specific instances or items used to illustrate or explain a general concept, rule, or situation.