Elasticity Overview and Price Elasticity
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Questions and Answers

What happens to the demand for normal goods when consumer income increases?

  • Demand decreases
  • Demand also increases (correct)
  • Demand remains unchanged
  • Demand fluctuates randomly
  • What does a positive Cross Elasticity of Demand (XED) indicate?

  • The demand is price-inelastic
  • The goods are substitutes (correct)
  • The goods are complements
  • The goods are unrelated
  • If the demand for a good decreases as consumer income increases, this good can be classified as what type?

  • Giffen Good
  • Inferior Good (correct)
  • Normal Good
  • Luxury Good
  • Which scenario reflects a negative Cross Elasticity of Demand (XED)?

    <p>An increase in the price of printers causes a fall in demand for ink cartridges</p> Signup and view all the answers

    What is the implication of zero Cross Elasticity of Demand (XED)?

    <p>Goods are unrelated</p> Signup and view all the answers

    What type of demand is represented by a horizontal demand curve?

    <p>Perfectly elastic demand</p> Signup and view all the answers

    What does elasticity measure in economics?

    <p>The sensitivity of one variable to changes in another variable</p> Signup and view all the answers

    When is demand considered inelastic?

    <p>When Ed &lt; 1</p> Signup and view all the answers

    What does unit elastic demand signify?

    <p>The percentage change in quantity demanded equals the percentage change in price</p> Signup and view all the answers

    Which type of demand indicates that quantity demanded does not change with price variations?

    <p>Perfectly inelastic demand</p> Signup and view all the answers

    What characterizes elastic demand?

    <p>The percentage change in quantity demanded is greater than the percentage change in price</p> Signup and view all the answers

    Which of the following statements is true about perfectly elastic demand?

    <p>Consumers will only purchase at one specific price</p> Signup and view all the answers

    If the price increases and the quantity demanded remains unchanged, this reflects which type of demand?

    <p>Inelastic demand</p> Signup and view all the answers

    Study Notes

    Elasticity Overview

    • Elasticity measures the responsiveness of one variable to changes in another, crucial for understanding demand sensitivity.
    • Types of elasticity include Price Elasticity of Demand (PED), Income Elasticity of Demand (YED), and Cross Elasticity of Demand (XED).

    Price Elasticity of Demand (PED)

    • Assesses how quantity demanded reacts to price changes.
    • Perfectly Elastic Demand: Infinite change in quantity demanded from any price change; represented by a horizontal demand curve.
    • Perfectly Inelastic Demand: Quantity demanded remains unchanged despite price fluctuations; depicted by a vertical demand curve.
    • Inelastic Demand: Less than proportional change in quantity demanded to price change (Ed < 1); indicates consumer unresponsiveness.
    • Unit Elastic Demand: Equal percentage change in quantity demanded and price (Ep = 1); total revenue remains unchanged.
    • Elastic Demand: Greater than proportional change in quantity demanded relative to price change (Ed > 1); consumers significantly adjust purchases based on price.

    Income Elasticity of Demand (YED)

    • Measures response of quantity demanded to changes in consumer income.
    • Normal Goods: Demand increases as consumer income rises.
    • Inferior Goods: Demand decreases as consumer income rises.

    Cross Elasticity of Demand (XED)

    • Evaluates how quantity demanded of one good changes with price change of another good.
    • Positive XED (Substitutes): Price increase of one good leads to increased demand for its substitute; e.g., rising coffee prices may boost tea sales.
    • Negative XED (Complements): Price increase of one good results in decreased demand for its complement; e.g., higher printer prices may reduce ink cartridge demand.
    • Zero XED (Unrelated Goods): No relationship between the goods; price changes in one do not affect the other; e.g., bread price changes have no impact on bicycle demand.

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    Description

    This quiz explores the concept of elasticity, focusing on how demand responds to price changes. Learn about different types of elasticity, including Price Elasticity of Demand, and understand the various characteristics that define perfectly elastic and inelastic demands. Test your knowledge on key economic principles with this engaging quiz.

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