microeconomics for public decisions anne c. steinemann
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Microeconomics for Public DecisionsAnne C. Steinemann
The Economy as a System
• Figure 1-1
The Economic System Within the
Ecosystem
• Figure 1-2
The Demand Curve
• Figure 2-1
Increase in Demand
• Figure 2-2
Decrease in Demand
• Figure 2-3
Decrease in Quantity Demanded
• Figure 2-4
Increase in Quantity Demanded
• Figure 2-5
The Supply Curve
• Figure 2-6
Increase in Supply
• Figure 2-7
Decrease in Supply
• Figure 2-8
Increase in Quantity Supplied
• Figure 2-9
Decrease in Quantity Supplied
• Figure 2-10
Price Elasticity of Demand
• Page 29 ED =Qf −Qi( ) /Qi
Pf −Pi( ) / Pi
Price Elasticity of Demand
• Figure 2-11
Estimates of the Price Elasticity of
DemandGoodGood Price Elasticity of Price Elasticity of
DemandDemandHousing -0.01
Residential electricity -0.13
Bread -0.15
Bus travel -0.20
Coffee -0.25
Sugar -0.30
Medical insurance -0.31
Legal services -0.37
Elastic Demand
• Figure 2-11a
Inelastic Demand
• Figure 2-11b
Unitary Elastic Demand
• Figure 2-11c
Elasticities Vary Along a Straight
Line
• Figure 2-12
Relationship Between Price Elasticities of Demand, Price, Quantity and Total Revenue
EEDD PricePrice QuantityQuantity Total Total RevenueRevenue
inelastic increase decrease increase
inelastic decrease increase decrease
elastic increase decrease decrease
elastic decrease increase increase
unitary increase decrease no change
unitary decrease increase no change
Price Elasticity of Supply
• Page 42 ES =Qf −Qi( ) /Qi
Pf −Pi( ) / Pi
Derivation of the Market Demand Curve from Individual Demand Curves
PricePrice Consumer Consumer AA
Consumer Consumer BB
Total Quantity Total Quantity DemandedDemanded
P QA QB QT = QA + QB
$8 0.0 0.0 0.0
$7 2.5 0.0 2.5
$6 5.0 0.0 5.0
$5 7.5 0.0 7.5
$4 10.0 2.0 12.0
$3 12.5 4.0 16.5
$2 15.0 6.0 21.0
$1 17.5 8.0 25.5
$0 20.0 10.0 30.0
Derivation of a Market Demand
Curve
• Figure 3-1
Effect of an Increase in Individual Demand on
Market Demand
• Figure 3-2
Derivation of the Market Supply Curve from Individual
Supply Curves
PricePrice Producer Producer AA
Producer Producer BB
Total Quantity Total Quantity Supplied Supplied
DemandedDemandedP QA QB QT = QA + QB
$8 8 4 12
$7 7 3.5 10.5
$6 6 3 9
$5 5 2.5 7.5
$4 4 2 6
$3 3 1.5 4.5
$2 2 1 3
$1 1 0.5 1.5
$0 0 0 0
Derivation of a Market Supply
Curve
• Figure 3-3
Market Demand and Market Supply
Together
• Figure 3-4
Market Equilibrium
• Figure 3-5
Shortage: Quantity Demanded Greater Than
Quantity Supplied
• Figure 3-6
Surplus: Quantity Supplied Greater Than Quantity
Demanded
• Figure 3-7
Change in Equilibrium Due to a
Supply Decrease
• Figure 3-8
Change in Equilibrium
Due to a Demand Increase
• Figure 3-9
Demand for Conventionally Grown
Produce
• Figure 3-10
Decrease in Demand for Conventionally Grown
Produce
• Figure 3-11
Decrease in Supply for Conventionally Grown
Produce
• Figure 3-12
Increase in Demand for Organically Grown
Produce
• Figure 3-13
Increase in Supply for Organically Grown
Produce
• Figure 3-14
Effects of Change in Supply and Demand on Equilibrium Price and
Quantity
SupplySupply DemandDemand EquilibriuEquilibrium Pricem Price
EquilibriuEquilibrium m
QuantityQuantityincrease no change decrease increase
decrease no change increase decrease
no change increase increase increase
no change decrease decrease decrease
increase increase indeterminate increase
decrease increase increase indeterminate
increase decrease decrease indeterminate
decrease decrease indeterminate decrease
Before a Tax
• Figure 3-15
After a $2 Tax on Producers
• Figure 3-16
After a $2 Tax on Consumers
• Figure 3-17
Before a Subsidy
• Figure 3-18
After a $2 Subsidy to Producers
• Figure 3-19
After a $2 Subsidy to Consumers
• Figure 3-20
Price Floor
• Figure 3-21
Price Ceiling
• Figure 3-22
Output Quota
• Figure 3-23
Rent Control
• Figure 3-24
Agricultural Price Supports
• Figure 3-25
Supply and Demand with a Price Cap on
Electricity
• Figure 3-26
Consumer Surplus (A)
• Figure 4-1
Willingness to Pay for Park Visits
• Figure 4-2
Demand Curve for Park Visits
• Figure 4-3
Effect of a Price Change
• Figure 4-4
Comparison of Consumer
Surplus
• Figure 4-5
Indifference Curves for an Individual
Consumer
• Figure 4-6
Substitution and Income Effects for a
Normal Good
• Figure 4-7
Substitution and Income Effects for an
Inferior Good
• Figure 4-8
Budget Line for Budget Constrain of
$80
• Figure 4-9
Point of Maximum Utility
• Figure 4-10
Income Expansion Path
• Figure 4-11
Derivation of Demand Curve
• Figure 4-12
Income Grantfor Infrastructure
• Figure 4-13
Subsidy for Infrastructure
• Figure 4-14
Tied Grant for Infrastructure
• Figure 4-15
Weekday CTA Rapid Rail Passenger Average Before and During Dime Time
Program
Income Income ClassClass
Before Dime Before Dime Time (Fare = Time (Fare =
$0.25)$0.25)
During Dime During Dime Time (Fare = Time (Fare =
$0.10)$0.10)Low 9,500 15,020
Moderate
8,250 10,860
High 5,100 6,410
Total 22,850 32,290
Dime Time Weekday CTA Rapid Rail Passenger
Averages by Prior Mode of Travel
Prior Mode of Prior Mode of TravelTravel LowLow ModeratModerat
eeHighHigh TotalTotal
Dime Time 9,500 8,250 5,100 22,850
Non-Dime Time 625 380 310 1,315
Bus and Trolley 1,080 680 340 2,100
Auto Driver 895 525 400 1,820
Auto Passenger 220 75 80 375
Walk 850 380 90 1,320
Trip Not Made 1,850 570 90 2,510
Total 15,020 10,860 6,410 32,290
Aggregate Demandfor Income Group
• Figure 4-16
Total Changein Consumer
Surplus
• Figure 4-17
Changes in Consumer Surplus for Previous and New Riders
(dollars per day)
Income Income ClassClass
PreviouPrevious Riderss Riders
New New RidersRiders
Change in Change in Consumer Consumer
SurplusSurplus
Low$1,425.
00$414.00 $1,839.00
Moderate
1,237.50
$195.75 1,433.25
High 765.00 $98.25 863.25
Total$3,427.
50$708.00 $4,135.50
Hypothetical Indifference Curves
for an Individual
• Figure A4-1
Costs and Revenues for Meals-on-WheelsNumber Number of Meals of Meals per Dayper Day
TotalTotalRevenuRevenu
ee
VariablVariable Coste Cost
Total Total CostCost
Average Average Total Total CostCost
MarginaMarginal Costl Cost ProfitProfit
0 0 15.00 -15.00
3 18.00 7.50 22.50 7.50 2.00 -4.50
6 36.00 16.50 31.50 5.25 3.50 4.50
9 54.00 30.00 45.00 5.00 5.00 9.00
12 72.00 48.00 63.00 5.25 6.50 9.00
Cost Curvesfor Meals-on-Wheels
• Figure 5-1
Marginal Revenue > Average Variable
Cost
• Figure 5-2
Marginal Revenue < Average Variable
Cost
• Figure 5-3
Breakeven Pointand Shutdown Point
• Figure 5-4
Short-Run Production
• Figure 5-5
Derivation ofthe Supply Curve
• Figure 5-6
Long-Run Average Total Cost
• Figure 5-7
Long-Run Average Total Cost and Economies of
Scale
• Figure 5-8
Long-Run Supply Curve for a
Competitive Firm
• Figure 5-9
Producer Surplus
• Figure 5-10
Decrease in Producer Surplus Due to a Decrease in Price
• Figure 5-11
Vacant Lot Clearance Program
BudgetBudgetPart-Time Young Employees
Wage$60,00
0Fringes 6,000
Supervisory Personnel Quarter Time 5,000Two Full Time 18,000
MaterialsTrash bags, rakes
5,000
Truck rental 6,000
Total$100,0
00
Tons of Trash Collected per Day
as a Function of Daily Use of Trucks and Labor-hours
Trucks per DayTrucks per Day
Labor-Hours per Labor-Hours per DayDay 55 1010 1515 2020
50 20 40 50 60200 65 90 116 128350 93 120 147 161500 107 134 165 187650 110 140 177 205800 110 140 183 217
Tons of Trash Collected per Day by Cambridge
Sanitation Dept.
• Figure A5-1
Isoquant for Output of 100 Tons per Day
• Figure A5-2
Isoquants for Various Daily Output
Levels
• Figure A5-3
Isoquant for Q = 60
• Figure A5-4
Alternate Isoquants for Various Output
Levels
• Figure A5-5
Tons of Trash Collected per Day by Cambridge
Sanitation Dept.
• Figure A5-6
Marginal Product Curve (Q = 5K) of Production for
Fixed Amount
• Figure A5-7
Social Surplus Under Competitive Equilibrium
Conditions
• Figure 7-1
Changes in Social Surplus Due to Deviations from the
Competition
• Figure 7-2
Changes in Social Surplus Due to a
Price Floor
• Figure 7-3
Changes in Total Social Surplus Due to a Price
FloorChanges in Surplus from a Changes in Surplus from a
Price FloorPrice Floor Before Price FloorBefore Price Floor After Price After Price FloorFloor ChangeChange
Consumer surplus I+II+III I -II-III
Producer surplus IV+V II+IV II-V
Social surplus I+II+III+IV+V I+II+IV -III-V
Distribution of Benefits and Distribution of Benefits and Costs of a Price FloorCosts of a Price Floor BenefitsBenefits CostsCosts NetNet
Consumers -II-III -II-III
Producers II -V II-V
Society II -II-III-V -III-V
Changes in Social Surplus Due to a
Price Ceiling
• Figure 7-4
Changes in Total Social Surplus Due to a Price
CeilingChanges in Surplus from a Changes in Surplus from a
Price CeilingPrice CeilingBefore Price Before Price
FloorFloorAfter Price After Price
FloorFloor ChangeChange
Consumer surplus I+II I+III III-II
Producer surplus III+IV+V V -III-IV
Social surplus I+II+III+IV+V I+III+V -II-IV
Distribution of Benefits Distribution of Benefits and Costs of a Price and Costs of a Price
CeilingCeilingBenefitsBenefits CostsCosts NetNet
Consumers III -II III-II
Producers -III-IV -III-IV
Society III -II-III-IV -II-IV
Changes in Social Surplus Due to an
Output Quota
• Figure 7-5
Changes in Total Social Surplus Due to a Output
QuotaChanges in Surplus from Changes in Surplus from
an Output Quotaan Output QuotaBefore Price Before Price
FloorFloorAfter Price After Price
FloorFloor ChangeChange
Consumer surplus I+II+III I -II-III
Producer surplus IV+V+VI II+IV+VI II-V
Social surplus I+II+III+IV+V+VI I+II+IV+VI -III-V
Distribution of Benefits Distribution of Benefits and Costs of an Output and Costs of an Output
QuotaQuotaBenefitsBenefits CostsCosts NetNet
Consumers -II-III -II-III
Producers II -V II-V
Society II -II-III-V -III-V
Changes in Social Surplus Due to a Tax
• Figure 7-6
Changes in Total Social Surplus Due
to a TaxChanges in Surplus from a Changes in Surplus from a TaxTax
Before Price Before Price FloorFloor
After Price After Price FloorFloor ChangeChange
Consumer surplus I+II+III I -II-III
Producer surplus IV+V+VI VI -IV-V
Government II+IV II+IV
Social surplus I+II+III+IV+V+VI I+II+IV+VI -III-V
Distribution of Benefits Distribution of Benefits and Costs from a Taxand Costs from a Tax BenefitsBenefits CostsCosts NetNet
Consumers -II-III -II-III
Producers -IV-V -IV-V
Government II+IV II+IV
Society II+IV -II-III-IV-V -III-V
Changes in Social Surplus Due to a
Subsidy
• Figure 7-7
Changes in Total Social Surplus Due
to a SubsidyChanges in Changes in Surplus from a Surplus from a
SubsidySubsidy
Before Before Price FloorPrice Floor After Price FloorAfter Price Floor ChangeChange
Consumer surplus I+II I+II+VI+VII+VIII VI+VII+VIII
Producer surplus VI+X II+III+IV+VI+X II+III+IV
Government-II-III-IV-V-VI-VII-VIII-
IX-II-III-IV-V-VI-VII-VIII-
IX
Social surplus I+II+VI+X I+II+VI+X-V-IX -V-IX
Distribution of Distribution of Benefits and Costs Benefits and Costs
from a Subsidyfrom a SubsidyBenefitsBenefits CostsCosts NetNet
Consumers VI+VII+VIII VI+VII+VIII
Producers II+III+IV II+III+IV
Government-II-III-IV-V-VI-VII-
VIII-IX-II-III-IV-V
-VI-VII-VIII-IX
SocietyII+IIII+IV+VI+VII
+VIII-II-III-IV-V-VI-VII-
VIII-IX-V-IX
Effect of a Tariff on Social Surplus
• Figure Q7-1
Competitive and Monopolistic Markets:
Supply
• Figure 8-1
Competitive and Monopolistic Markets:
Demand
• Figure 8-2
Revenue for a Monopolist
Average Average Revenue Revenue (price)(price)
OutputOutputTotal Total
RevenuRevenuee
MarginaMarginal l
RevenuRevenuee
$10 1 $10 $10
9 2 18 8
8 3 24 6
7 4 28 4
6 5 30 2
5 6 30 0
4 7 28 -2
3 8 24 -4
2 9 18 -6
1 10 10 -8
Marginal Revenue and Average Revenue for a
Monopoly
• Figure 8-3
Monopoly Price and Output
Determination
• Figure 8-4
Monopoly Profits
• Figure 8-5
Monopoly Price Regulation
• Figure 8-6
Comparison of Marginal Cost Under Perfect Competition
and Monopoly
• Figure 8-7
Negative Externalities: Social Costs Greater Than Private Production Costs
• Figure 9-1
Negative Externalities: Social Costs Greater Than Private Consumption Costs
• Figure 9-2
Negative Externalities: Social Costs Greater Than Private Production Benefits
• Figure 9-3
Negative Externalities: Social Costs Greater Than
Private Consumption Benefits
• Figure 9-4
Bargain Between Two Parties
• Figure 9-5
The Efficient Solution: Marginal Benefits Equal
Marginal Costs of Positive Externality
• Figure 9-6
The Efficient Solution: Marginal Benefits Equal
Marginal Costs of Negative Externality
• Figure 9-7
Results of CV Experiment for the Indianapolis
Crooked Creek Greenway
Property Property OwnersOwners
RenterRenterss
County County ResidentResident
ss
Respondents - Survey 47% 8% 26%
Respondents - Solicitation 39% 7% 17%
Prior CCG Awareness 18% 11% 9%
Willing to Contribute Survey 51% 35% 22%
Willing to Contribute Solicitation
36% 14% 11%
Mean WTP — Survey $47.20 $10.71 $29.07
Mean WTP — Solicitation $32.24 $13.33 $34.50
Monthly Cost of Pollution ReductionQuantity Quantity Removed Removed
(tons)(tons)
Knotty PineKnotty Pine Wall BoardWall Board
Total CostTotal Cost Marginal Marginal CostCost Total CostTotal Cost Marginal Marginal
CostCost
1 $200 $200 $500 $500
2 600 400 1,000 500
3 1,200 600 3,500 2,500
4 2,000 800 7,000 3,500
5 3,000 1,000 12,000 5,000
6 5,000 2,000 20,000 8,000
7 8,000 3,000
8 12,000 4,000
9 20,000 8,000
10 36,000 16,000
Marginal Costs of Pollution ReductionReduction Reduction
(tons/month)(tons/month) Knotty PineKnotty Pine Wall BoardWall Board TotalTotal
1 $200 $500 $200 (KP)
2 400 500 400 (KP)
3 600 2,500 500 (WB)
4 800 3,500 500 (WB)
5 1,000 5,000 600 (KP)
6 2,000 8,000 800 (KP)
7 3,000 1,000 (KP)
8 4,000 2,000 (KP)
10 16,000 3,000 (KP)
15 8,000 (WB)
Tax to Correct for Negative Externality
• Figure 9-8
Subsidy to Correct for Positive Externality
• Figure 9-9
Marketable Pollution Permits
• Figure 9-10
Classification of Goods
• Figure 10-1
Demand for Two ConsumersPricePrice Consumer AConsumer A Consumer BConsumer B
$10 0 0
9 1 2
8 2 4
7 3 6
6 4 8
5 5 10
4 6 12
3 7 14
2 8 16
1 9 18
0 10 20
Consumer Demand
• Figure 10-2
Market Demand: Private Production
PricPricee
Consumer Consumer AA
Consumer Consumer BB
Market Market DemandDemand
$10 0 0 0
9 1 2 3
8 2 4 6
7 3 6 9
6 4 8 12
5 5 10 15
4 6 12 18
3 7 14 21
2 8 16 24
1 9 18 27
0 10 20 30
Determining Market Demand: Private
Production
• Figure 10-3
Aggregate Demand:Public Production
QuantiQuantityty
Consumer Consumer AA
Consumer Consumer BB
Total Social Total Social BenefitsBenefits
1 $9.00 $9.50 $18.50
3 7.00 8.50 15.50
5 5.00 7.50 12.50
7 3.00 6.50 9.50
9 1.00 5.50 6.50
10 0.00 5.00 5.00
12 4.00 4.00
14 3.00 3.00
16 2.00 2.00
18 1.00 1.00
20 0 0
Determining Aggregate Demand: Private
Production
• Figure 10-4
Combining Demand Curves for a Private
Good
• Figure 10-5
Combining Demand Curves for a Public
Good
• Figure 10-6
Majority Voting InefficienciesInefficient No Inefficient No VoteVote JohnJohn ClaireClaire CatherinCatherin
eeSumSum
Benefits $650 $350 $300$1,30
0
Costs 400 400 400 1,200
Vote yes no no noInefficient Yes Inefficient Yes VoteVote JohnJohn ClaireClaire CatherinCatherin
eeSumSum
Benefits $450 $450 $0 $900
Costs 400 400 400 1,200
Vote yes yes no yes
Voting ParadoxJohnJohn ClaireClaire CatherineCatherine
Path 1st choice 3rd choice 2nd choice
Park 2nd choice 1st choice 3rd choice
Pool 3rd choice 2nd choice 1st choice
Majority Voting Majority Voting OutcomesOutcomes
Path vs. Park Path winsPark vs. Pool Park winsPath vs. Pool Pool wins
Demand for a Public Good with a Marginal
Cost of Zero
• Figure 10-7
Demand and Costs for a Utility Company
• Figure 10-8
Demand and Costs for Two Publicly Provides Goods
with Different Demand Curves
• Figure 10-9
Pricing Options for a Publicly Provided
Good
• Figure 10-10
Demand and Costs for a Public Facility with Variable Demand
• Figure 10-11
Market for Low-Quality Cars
• Figure 11-1
Market for High-Quality Cars
• Figure 11-2
Utility of Income
• Figure 11-3
Utility Function for Risk-Averse Individuals
• Figure 11-4
Utility Function for Risk-Prone Individuals
• Figure 11-5
Utility Function for Risk-Neutral Individuals
• Figure 11-6
Decision Tree for Calculating Expected
GPA
• Figure 11-7
Decision Tree for Water Management
Decision
• Figure 11-8
Utility Curve for Money: $0 to $100
• Figure 11-9
Value of Perfect Information for Water Management Decision
• Figure 11-10
Value of Imperfect Information for Water Management Decision
• Figure 11-11
Cash Flow Diagram and Time Positions
• Figure 12-1
Positive and Negative Cash
Flows
• Figure 12-2
Relationships Between Present, Future and Annual
Values
• Figure 12-3
Example: Savings and Withdrawals
• (a) Deposit $1,000 into bank account
Example: Savings and Withdrawals
• (b) Present value
Example: Savings and Withdrawals
• (c) Deposit at beginning of year
Example: Savings and Withdrawals
• (d) Present value of future withdrawal
Example: Savings and Withdrawals
• (e) Present value of annual payment
Example: Savings and Withdrawals
• (f) Present value at end of 10 years
Example: Savings and Withdrawals
• (g) Annual payments to pay bond issue
Example: Savings and Withdrawals
• (h) Annual payments over 20 years
Example: Savings and Withdrawals
• (i) Present value of four years tuition
Examples of Private Sector and Public Sector Cost-
Benefit Analyses
• Figure 13-1
Comparison of Alternatives by
Different Methods of CBAProject A Purchase Project A Purchase
Park Maintenance Park Maintenance EquipmentEquipment
Project B Purchase Project B Purchase Street Repair Street Repair EquipmentEquipment
Initial Investment Savings
-$8,000 -$8,000
Year 1 $1,000 $6,000
Year 2 2,000 2,000
Year 3 2,000 2,000
Year 4 7,000 1,000
NPV (5%) $2,253 $2,079
NPV (10%) $846 $1,293
B/C ration (5%) 1.28 1.26
B/C ration (10%) 1.11 1.16
Internal rate of return
13.6% 20.3%
Incremental ROR 5% 10%
Payback period 4 years 2 years
Net Present Value Method
• Page 335 NPV =Bt
1+ r( )t
t=0
n
∑⎡
⎣⎢⎢
⎤
⎦⎥⎥−
Ct
1+ r( )t
t=0
n
∑⎡
⎣⎢⎢
⎤
⎦⎥⎥
Benefit-Cost Ratio
• Page 336 B /C =
Bt
1+ r( )t
t=0
n
∑⎡
⎣⎢⎢
⎤
⎦⎥⎥
Ct
1+ r( )t
t=0
n
∑⎡
⎣⎢⎢
⎤
⎦⎥⎥
Internal Rate of Return
• Page 338Bt1+ r( )
tt=0
n
∑⎡
⎣⎢⎢
⎤
⎦⎥⎥=
Ct
1+ r( )t
t=0
n
∑⎡
⎣⎢⎢
⎤
⎦⎥⎥
Comparison of Alternatives by Incremental Rate of
Return AnalysisProject Project
AAProject Project
BBProject Project
CCInitial investment
-$8,000 -$8,000 -$10,000
Year 1 1,000 6,000 5,000Year 2 2,000 2,000 3,000Year 3 2,000 2,000 2,000Year 4 7,000 1,000 4,000Rate of return 13.6% 20.3% 16.2%
Comparison of Alternatives by Incremental Rate of
Return Analysis
First PairwiseFirst PairwiseProject A Project A (challeng(challeng
er)er)
Project B Project B (defende(defende
r)r)
IncrementIncremental Cash al Cash
FlowFlowInitial investment
-$8,000 -$8,000 $0
Year 1 1,000 6,000 -5,000Year 2 2,000 2,000 0Year 3 2,000 2,000 0Year 4 7,000 1,000 6,000Rate of return 13.6% 20.3% 6.3%
Comparison of Alternatives by Incremental Rate of
Return AnalysisSecond Second PairwisePairwise
Project C Project C (challenge(challenge
r)r)
Project B Project B (defende(defende
r)r)
IncrementIncremental Cash al Cash
FlowFlowInitial investment
-$10,000 -$8,000 -$2,000
Year 1 5,000 6,000 -1,000Year 2 3,000 2,000 1,000Year 3 2,000 2,000 0Year 4 4,000 1,000 3,000Rate of return 16.2% 20.3% 9.6%
Distribution of Benefits and Costs:
Positive Net BenefitsSusaSusa
nnLaurLaur
aaDebrDebr
aaJohnJohn
Benefits $10 $100 $10 $10
Costs -$20 -$20 -$20 -$20
Benefits - Costs -$10 $80 -$10 -$10
Net Benefits = -10 + 80 -10 -10 = $50
Distribution of Benefits and Costs: Negative
Net BenefitsSusaSusa
nnLaurLaur
aaDebrDebr
aaJohnJohn
Benefits $20 $20 $20 $20
Costs -$10 -$60 -$10 -$10
Benefits - Costs $10 -$40 $10 $10
Net Benefits = -40 + 10 + 10 + 10 = -$10
Demand for Bridge Crossings
• Figure 14-1
Effects of Sultan Island Bridge
CostsCosts
Previous ferry riders $25,000
New travelers $25,000
Ferry owner -$5,000
Taxpayers -$40,000
Unadjusted net dollar impact $5,000
Effects of Sultan Island Bridge ($0.25
toll)CostsCosts
Previous ferry riders $12,500
New travelers $6,250
Ferry owner -$5,000
Taxpayers -$15,000
Unadjusted net dollar impact -$1,250
Demand for Bridge Crossings (fare of
$0.25)
• Figure 14-2
Demand for Ferry Crossings
• Figure 14-3
Parkview Recreational Facility
Annual CostsCosts/yearCosts/year
Construction and land acquisition costs
$50,000
Forgone tax revenue 10,500
Annual operating expenses 14,000
$74,500
Demand for Parkview
Recreational FacilityAdmission FeeAdmission Fee Annual Number of Annual Number of
UsersUsers$1.20 0
1.10 10,000
1.00 20,000
0.90 30,000
0.80 40,000
0.70 50,000
0.60 60,000
0.50 70,000
0.40 80,000
0.30 90,000
0.20 100,000
0.10 110,000
0 120,000
Demand for Parkview
Recreational Facility
• Figure 14-4
Low-Income and Total Demand for Recreational
Facilities
• Figure 14-5
Price Floor and Price Ceiling
• Figure Q3-1
Consumers vs. Producers Bear Full
Amount of Tax
• Figure Q3-2
Change in Consumer Surplus
• Figure Q4-1
Effect of a Tariff on Social Surplus
• Figure Q7-1
Demand for Parking Spaces
• Figure Q13-1