A Rational Decisionmaker

question 153

Multiple Choice

A rational decisionmaker

• A)ignores marginal changes and focuses instead on "the big picture."
• B)ignores the likely effects of government policies when he or she makes choices.
• C)takes an action only if the marginal benefit of that action exceeds the marginal cost of that action.
• D)takes an action only if the combined benefits of that action and previous actions exceed the combined costs of that action and previous actions.

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Definitions:

Firms

Businesses or economic entities engaged in commercial, industrial, or professional activities.

Substitution Bias

The distortion in calculating inflation that occurs when consumers switch their spending from higher-priced goods to lower-priced alternatives.

CPI

CPI, or Consumer Price Index, measures the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services.

Cost Of Living

refers to the amount of money needed to cover basic expenses such as housing, food, taxes, and healthcare in a certain location and time period.