Chapter 4: Demand Section 3. Copyright © Pearson Education, Inc.Slide 2 Chapter 4, Section 3 Objectives 1.Explain how to calculate elasticity of demand.

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Presentation transcript:

Chapter 4: Demand Section 3

Copyright © Pearson Education, Inc.Slide 2 Chapter 4, Section 3 Objectives 1.Explain how to calculate elasticity of demand. 2.Identify factors that effect elasticity. 3.Explain how firms use elasticity and revenue to make decisions.

Copyright © Pearson Education, Inc.Slide 3 Chapter 4, Section 3 Introduction Factors that affect elasticity of demand? –Original price and how much you want a particular good are both factors that will determine your demand for a particular product.

Copyright © Pearson Education, Inc.Slide 4 Chapter 4, Section 3 Consumer Response –Your demand for a good that you will keep buying despite a price change is inelastic. –If you buy much less of a good after a small price increase, your demand for that good is elastic.

Copyright © Pearson Education, Inc.Slide 5 Chapter 4, Section 3 Elastic Demand Elastic Demand comes from one or more of these factors: –The availability of substitute goods –A limited budget that does not allow for price changes –The perception of a good as a luxury item.

Copyright © Pearson Education, Inc.Slide 7 Chapter 4, Section 3 Elasticity and Revenue DO NOT WRITE! Elasticity of demand determines the effect of a price change on total revenues. –Why will revenue fall if a firm raises the price of a good whose demand is elastic? –What happens to total revenue when price decreases, but demand is inelastic?

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