MasteryExams
Economics • Economic BasicsEasy

Which of the following describes the condition where the price elasticity of demand is zero, meaning the quantity demanded is completely unresponsive to price changes?

A. Perfectly Elastic Demand
B. Perfectly Inelastic Demand✓ Correct Answer
C. Unitary Elastic Demand
D. Relatively Elastic Demand

💡 Solution & Explanation

A perfectly inelastic demand curve signifies an absolute absence of consumer responsiveness to price changes, resulting in a numerical price elasticity coefficient of zero. Conversely, perfectly elastic demand implies infinite responsiveness where any price rise drops demand to zero. Essential life-saving medications often exhibit near-inelastic demand characteristics in real-world markets.

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