When Income Increases, the Demand Curve for X Shifts Rightward

question 168

Multiple Choice

When income increases, the demand curve for X shifts rightward and the demand curve for Y shifts leftward. These shifts mean that

• A) X and Y are complements.
• B) X and Y both normal goods.
• C) X is an inferior good and Y is a normal good.
• D) X is a normal good and Y is an inferior good.

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Definitions:

Action Potential

A temporary reversal of an electrically polarized state in a nerve fiber that travels down the fiber to transmit a nerve impulse.

Frequency

The number of occurrences of a repeating event per unit of time, often used in the context of waves or vibrations.

Stimulus Strength

The intensity level of a stimulus which affects the magnitude and nature of the response in a biological system.

Action Potentials

Rapid, temporary changes in the electrical membrane potential of cells, which are fundamental in the conduction of impulses along nerves and muscle fibers.