The Demand for Gasoline Has Increased

question 26

Multiple Choice

The demand for gasoline has increased. One explanation is that

• A) consumer incomes are lower and gasoline is a normal good.
• B) the price of automobiles is higher and gasoline and automobiles are complements.
• C) consumer incomes are higher and gasoline is a normal good.
• D) the number of consumers has decreased.
• E) everyone expects tomorrow's gasoline price will be lower.

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Definitions:

Darwin's Principles

The fundamental concepts proposed by Charles Darwin, including natural selection and survival of the fittest, explaining biological evolution.

Sequential Study

Study design that combines cross-sectional and longitudinal techniques.

Longitudinal

Pertains to research or studies that observe the same subjects over a period of time, often to detect changes or developments.

Cross-sectional

A research design that looks at data from a population at a single point in time to identify patterns and associations.