4 Different Types of Government Intervention: and their effects on… P, Qs, Qd, CS, PS, DWL 1 Notes...
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Transcript of 4 Different Types of Government Intervention: and their effects on… P, Qs, Qd, CS, PS, DWL 1 Notes...
![Page 1: 4 Different Types of Government Intervention: and their effects on… P, Qs, Qd, CS, PS, DWL 1 Notes 4.4: Taxes and Subsidies.](https://reader035.fdocuments.net/reader035/viewer/2022081603/56649f1e5503460f94c3615c/html5/thumbnails/1.jpg)
4 Different Types of Government Intervention:
and their effects on…P, Qs, Qd, CS, PS, DWL
1
Notes 4.4: Taxes and Subsidies
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Government Involvement
2
#1 - Price Controls: Floors and Ceilings#2 - Taxes#3 - Subsidies#4 – Tariffs and International Trade
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#1 - PRICE CONTROLSWho likes the idea of having a price ceiling on gas so prices will never go over $1 per gallon?
3
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Qo
$5
4
3
2
1
P
10 20 30 40 50 60 70 80 4
D
S
Shortage(Qd>Qs)
Maximum legal price a seller can charge for a product.Goal: Make affordable by keeping price from reaching Eq.
Gasoline
Does this policy help consumers?
Result: BLACK
MARKETSPrice Ceiling
Price Ceiling
To have an effect,
a price ceiling must be
BELOW equilibrium
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Qo
$
4
3
2
1
P
10 20 30 40 50 60 70 80 5
D
SSurplus(Qs>Qd)
Minimum legal price a seller can sell a product.Goal: Keep price high by keeping price from falling to Eq.
Corn
Does this policy help
corn producers?
Price Floor
Price Floor
To have an effect,
a price floor must be
ABOVE equilibrium
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Practice Questions
6
1. Which of the following will occur if a legal price floor is placed on a good below its free market equilibrium?A. Surpluses will developB. Shortages will developC. Underground markets will developD. The equilibrium price will remain the sameE. The quantity sold will increase
A. A price ceiling causes a shortage if the ceiling price is above the equilibrium priceB. A price floor causes a surplus if the price floor is below the equilibrium priceC. Effective price ceilings and price floors result in an inefficient allocation of resources D. Price floors above equilibrium cause a shortage
2. Which of the following statements about price control is true?
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Are Price Controls Good or Bad?To be “efficient” a market must maximize
consumers and producers surplus
Q
P
D
S
P1
Qe
CS
PS
7
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Are Price Controls Good or Bad?To be “efficient” a market must maximize consumers and
producers surplus
Price FLOOR
Q
P
D
S
P1
QeQfloor
DEADWEIGHT LOSS The Lost CS and PS.
INEFFICIENT!
CS
PS
8
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Are Price Controls Good or Bad?To be “efficient” a market must maximize consumers and
producers surplus
Q
P
D
S
P1
Qe
CS
PS
9
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Are Price Controls Good or Bad?To be “efficient” a market must maximize consumers and
producers surplus
Price CEILING
Q
P
D
S
P1
QeQceiling
DEADWEIGHT LOSS The Lost CS and PS.
INEFFICIENT!CS
PS
10
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#2 Taxes
11
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Excise TaxDefinition: A per unit tax on producers
For every unit made, the producer must pay $___NOT a Lump Sum (one time only)TaxThe goal is often for them to make less of the goods that the government deems dangerous or unwanted. Ex:
•Cigarettes “sin tax”•Alcohol “sin tax”•Tariffs on imported goods•Environmentally Unsafe Products•Etc.
12
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Per Unit Tax
Qo
$5
4
3
2
1
P
13
Supply Schedule
P Qs
$5 140
$4 120
$3 100
$2 80
$1 60 D
S
40 60 80 100 120 140
Government sets a $2 per unit tax on Cigarettes
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Per Unit Tax
Qo
$5
4
3
2
1
P
14
Supply Schedule
P Qs
$5 $7 140
$4 $6 120
$3 $5 100
$2 $4 80
$1 $3 60 D
S
40 60 80 100 120 140
Government sets a $2 per unit tax on Cigarettes
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Per Unit Tax
Qo
$5
4
3
2
1
P
15
Supply Schedule
P Qs
$5 $7 140
$4 $6 120
$3 $5 100
$2 $4 80
$1 $3 60 D
S
40 60 80 100 120 140
Tax is the vertical distance between
supply curves
S + Tax
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Per Unit Tax
Qo
$5
4
3
2
1
P
16
D
S
40 60 80 100 120 140
Identify the following:
1. Price before tax2. Price
consumers pay after tax
3. Price producers get after tax
4. Total tax revenue for the government before tax
5. Total tax revenue for the government after tax
S + Tax
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Per Unit Tax
17
S + Tax
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Per Unit Tax
18
S + Tax
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Per Unit Tax
19
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22
1. CS Before Tax2. PS Before Tax3. CS After Tax4. PS After Tax5. Tax Revenue
for Government6. Dead Weight
Loss due to tax7. Amount of tax
revenue producers pay
Tax Practice
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S
P
Q
D
Excise Tax
$14
1211
8
1210
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S
P
Q
D
Excise Tax
$14
1211
8
Calculate1. Tax Per Unit2. Total Tax
Revenue3. Amount of
Tax paid by consumers
4. Amount of Tax paid by producers
5. Total Cost paid by buyers
6. Total Revenue for firms1210
Stax
Pc
Pp
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Excise Tax Calculate1. CS Before Tax2. Total paid by Buyers
Before Tax3. Tax Per Unit4. Total Tax Revenue that
goes to Government5. Amount of Tax paid by
consumers6. Amount of Tax paid by
producers7. Total paid by Buyers
after tax8. Total Revenue for firms
after tax9. CS After Tax10. DWL
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Elasticity and Excise Taxes Who ends up paying for an excise tax?
26
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S
P
Q
D
Demand- InelasticSupply- Unitary$10
8
654
2
$2 TAX on Producers
108
EXCISE TAX ON CIGARETTES
CS
27
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S
P
Q
D
$10
87654
2
$2 TAX on Producers
109
S1
$6.50 =Pconsumers
$4.50 = Pproducers
Quantity Doesn’t Fall VERY Much!!!
Amount Producers Pay
Amount Consumers Pay
CS After
EXCISE TAX ON CIGARETTES
28
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S
P
Q
D
Demand- ElasticSupply- Unitary
EXCISE TAX ON YACHTS
$10
8
654
2
$2 TAX on Producers
10829
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S
P
Q
D
$10
8
654
2
$2 TAX on Producers
107
S1
Pc
Pp
DWL?
Quantity Falls A lot!!!
EXCISE TAX ON YACHTS
30
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S
P
Q
D
$10
87654
2
1. Tax per Unit?2. Total Tax Revenue?3. Tax paid by consumers?4. Tax paid by producers?5. Total spending?6. Revenue for businesses?
3020
S1
Pconsumers = $7
Pproducers = $4
CS After
EXCISE TAX ON CIGARETTES
31
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S
P
Q
D
$10
87654
2
1. Tax per Unit = $32. Total Tax Revenue = $603. Tax Paid by Consumers = $404. Tax Paid by Producers = $205. Total Spending = $1406. Revenue for Businesses=$80
3020
S1
Pconsumers = $7
Pproducers = $4
CS After
EXCISE TAX ON CIGARETTES
32
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#3 Subsidies
33
The government just gives producers money.The goal is for them to make more of the goods that the government thinks are important.
Ex:•Agriculture (to prevent famine)•Pharmaceutical Companies•Environmentally Safe Vehicles•FAFSA
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Result of Subsidies to Corn Producers
Qo
Price of Corn
Quantity of Corn 34
SS - Subsidy
P1
P2
Q1 Q2
D
Subsidy is the vertical distance between supply
curves
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Result of Subsidies to Corn Producers
Qo
Price of Corn
Quantity of Corn 35
SS - Subsidy
Price DownQuantity Up
Everyone Wins, Right?
P1
P2
Q1 Q2
D
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Subsidies
36
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37
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#4 Tariffs
38
A quota is a limit on number of imports. The government sets the maximum amount that
can come in the country.Purpose:•To protect domestic producers from a cheaper world price.•To prevent domestic unemployment
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International Trade and QuotasIdentify the following:1. CS with no trade2. PS with no trade3. CS if we trade at
world price (PW)4. PS if we trade at
world price (PW)5. Amount we import at
world price (PW)6. If the government sets
a quota on imports of Q4 - Q2, what happens to CS and PS?
This graphs show the domestic supply and demand for grain.
The letters represent area.
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Use Reffonomics mini-lesson to examine the Tariff Graph
http://www.reffonomics.com/TRB/chapter30/worldpricetariff12.swf
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