The price elasticity of demand is typically expressed as a positive number because:

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The price elasticity of demand is typically expressed as a positive number because:

A.both the numerator and the denominator are negative, so the formula yields a positive number.

B.the demand curve has a positive slope.

C.it’s convenient to use absolute values.

D.price and quantity move in the same direction.

正确答案:it’s convenient to use absolute values.

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