Price elasticity of demand is often expressed as a positive number because:
A)using the formula yields a positive number.
B)demand has a positive slope.
C)it's convenient to use absolute values even though the formula yields non-positive numbers.
D)both the numerator and the denominator in the formula are negative.

Question

Quizplus · Accepted Answer

Price elasticity is always negative by the law of demand,but by convention,it is expressed as the absolute value.

Price Elasticity of Demand Is Often Expressed as a Positive