In the Long Run,________

question 83

Multiple Choice

In the long run,________.

• A) all factors of production are fixed
• B) only some inputs of a firm can be changed
• C) all firms earn positive economic profits
• D) all factors of production can be changed

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Definitions:

Nonequivalent Control

A research design where the control group is not randomly assigned, making it different in certain ways from the experimental group, which can affect the interpretation of results.

Control Time Series

A method in statistics and research that involves collecting data points from a single group or subject over a period of time to identify trends or effects of interventions.

External Validity

The degree to which a study's findings can be applied to different situations and various individuals.

Extraneous Variables

Variables that can influence the outcome of an experiment but are not the variables being studied.