If the Price of Good Y Falls from $10 to $8

question 29

Multiple Choice

If the price of Good Y falls from $10 to $8, and the quantity demanded of it rises from 1,000 units to 1,200 units, the price elasticity of demand expressed in absolute value is:

• A) 1.00.
• B) 0.20.
• C) 0.82.
• D) 1.22.

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Definitions:

Utility Function

A mathematical representation of how consumer preferences over a set of goods and services are ranked.

Horizontal Axis

In a graphical representation, the x-axis, which typically shows the independent variable or the quantity of goods.

Vertical Axis

in a graph or chart, the y-axis which typically represents the range of values or dependent variables.

Perfect Substitute

Goods that can be completely replaced by another with no loss of utility to the consumer, such as different brands of sugar.