Lecture Economics (6/e): Chapter 18 - Stephen L. Slavin

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Lecture Economics (6/e): Chapter 18 - Stephen L. Slavin

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Chapter 18 - The elasticities of demand and supply. Learning objectives of this chapter include: The elasticity of demand, the determinants of elasticity, elasticity and total revenue, the elasticity of supply, tax incidence.

(hint . . . measure it  vertically) Price D Answer:  $3 0          2          4          6         8          10        12     Output Copyright  2002 by The McGraw­Hill Companies, Inc.  All rights reserved 18­30 Tax Incidence (tells us who really pays the tax) $10 S2 S1 A tax increase  lowers the supply  Who pays the tax? S1/D P=$6; QD=6 Price S2/D P=$7;  QD=4 D The Customer  pays an additional  $1 The Supplier  absorbed the rest  0          2          4          6         8          10        12     Output ($2) 18­31 Copyright  2002 by The McGraw­Hill Companies, Inc.  All rights reserved Tax Incidence $10 (tells us who really pays the tax) The demand curve is perfectly inelastic The burden falls  S2 entirely on the  S1 buyer Who pays the tax? S1/D P=$6; QD=6 Price S2/D P=$9; QD= 6 The buyer pays  and additional $3 Seller absorbs  D ($0) 0          2          4          6         8          10        12     Output 18­32 Copyright  2002 by The McGraw­Hill Companies, Inc.  All rights reserved Tax Incidence (tells us who really pays the tax) The supply curve is more elastic than the demand curve The burden falls  $10 S2 mainly on the  buyer S1 Who pays the tax? S1/D P=$6; QD=6 S2/D P=$8.30  Price QD=2 D The buyer pays and  additional $2.30 Seller absorbs $.70 0          2          4          6         8          10        12     Output 18­33 Copyright  2002 by The McGraw­Hill Companies, Inc.  All rights reserved Summary • When the supply is perfectly inelastic, the seller  bears the entire tax burden • When supply is perfectly elastic, the buyer  bears entire tax burden • As the elasticity of demand rises, the tax  burden is shifted from the buyer to the seller • As the elasticity of supply rises, the tax burden  is shifted from the seller to the buyer     Copyright  2002 by The McGraw­Hill Companies, Inc.  All rights reserved 18­34 ... absorbed the rest  0          2          4          6         8          10        12     Output ($2) 18 31 Copyright  2002 by The McGraw­Hill Companies, Inc.  All rights reserved Tax Incidence $10... Seller absorbs  D ($0) 0          2          4          6         8          10        12     Output 18 32 Copyright  2002 by The McGraw­Hill Companies, Inc.  All rights reserved Tax Incidence (tells us who really pays the tax)... Seller absorbs $.70 0          2          4          6         8          10        12     Output 18 33 Copyright  2002 by The McGraw­Hill Companies, Inc.  All rights reserved Summary • When the supply is perfectly inelastic, the seller 

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Mục lục

  • Chapter 18

  • Chapter Objectives

  • The Elasticity of Demand

  • Measuring Elasticity

  • PowerPoint Presentation

  • Slide 6

  • The Meaning of Elasticity

  • Slide 8

  • Slide 9

  • Slide 10

  • Slide 11

  • Slide 12

  • Slide 13

  • Slide 14

  • Relatively Inelastic Demand Curve

  • Relatively Elastic Demand Curve

  • Determinants of the Degree of Elasticity of Demand

  • Advertising

  • Elasticity and Total Revenue

  • Slide 20

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