Which of the Following Is Not a Factor That Automatically

question 59

Multiple Choice

Which of the following is not a factor that automatically pushes firms in pure competition to earn only normal profits in the long run?

• A) entry of new firms
• B) exit of some firms
• C) changes in the firms' plant size
• D) changes in the market demand

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Definitions:

Eutectic Alloy

A mixture of two or more metals that solidifies at a single temperature, the lowest at which the mixture can remain fully solid, forming a homogeneous crystal structure.

Heater Barrel Element

A heating component used in machines such as injection molding machines, responsible for heating the barrel in which plastic is melted.

Liquid State

A phase of matter characterized by a definite volume but no definite shape, assuming the shape of its container.

Dropout Current

The minimum current at which a relay, contactor, or coil will de-energize, allowing its contacts to return to their default state.