This chapter discusses how government policies such as price controls, taxes, and minimum wages can impact markets. Price ceilings place a legal maximum price for a good, which can result in shortages if the ceiling is binding. Price floors set a legal minimum price, potentially leading to surpluses. Taxes decrease the quantity of goods sold by creating a wedge between buyer and seller prices; the tax burden depends on supply and demand elasticities. The minimum wage is an example of a price floor that can cause unemployment in the labor market.
Which goods and services are best left to the market? And which are more efficiently and fairly provided as collective consumption goods by the state? This is at the heart of your revision of public goods. Central to your revision will be to understand why public goods may not be provided by the market. You can work this out by distinguishing between public and private goods and focusing on the ideas of rivalry and excludability in consumption. Students should understand the free rider and valuation problems – there are big debates in economics about the optimum size of the state. Rapid changes in technology are also changing the nature of what is and what is not a public good.
Which goods and services are best left to the market? And which are more efficiently and fairly provided as collective consumption goods by the state? This is at the heart of your revision of public goods. Central to your revision will be to understand why public goods may not be provided by the market. You can work this out by distinguishing between public and private goods and focusing on the ideas of rivalry and excludability in consumption. Students should understand the free rider and valuation problems – there are big debates in economics about the optimum size of the state. Rapid changes in technology are also changing the nature of what is and what is not a public good.
Supply Demand And Government Policies - EconomicsFaHaD .H. NooR
the binding price ceiling
ceiling price and floor price
demand & supply
demand and supply in economics
demand economics
an effective price ceiling
effects of a price ceiling
effects of price control
floor price and ceiling price
freeze price
government controlled prices cause
government price controls
a minimum price ceiling
price cap
price ceiling
price ceiling and floor
price ceiling and price floor
price ceiling economics
price ceiling graph
price ceiling in economics
price control
price control policy
price control system
price controls economics
price floor and price ceiling
supply and demand
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2. Examine the effects of government policies that place a ceiling on prices. Examine the effects of government policies that place a floor under prices. Consider how a tax on a good affects the price of the good and the quantity sold. Learn that taxes levied on buyers and taxes levied on sellers are equivalent. See how the burden of a tax is split between buyers and sellers. In this chapter you will…
3. In a free, unregulated market system, market forces establish equilibrium prices and exchange quantities. While equilibrium conditions may be efficient, it may be true that not everyone is satisfied. Hence…market controls! One of the roles of economists is to use their theories to assist in the development of policies. SUPPLY, DEMAND, AND GOVERNMENT POLICIES
4. Are usually enacted when policymakers believe the market price is unfair to buyers or sellers. Result in government-created price ceilings and floors. CONTROLS ON PRICES
5. Price Ceiling A legal maximum on the price at which a good can be sold. Price Floor A legalminimum on the price at which a good can be sold. Price Ceilings and Price Floors
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7. Supply Supply Equilibrium price $4 Price ceiling $3 $3 Price ceiling $2 Equilibrium price Shortage Demand Demand 75 QS 125 QD 100 Equilibrium quantity Figure 6-1: A Market with a Price Ceiling (a) A Price Ceiling That is Not Binding (b) A Price Ceiling That is Binding Price of Ice-Cream Cone Price of Ice-Cream Cone 0 0 Quantity of Ice-Cream Cones Quantity of Ice-Cream Cones
8. A binding price ceiling creates Shortages because QD > QS. Examples: Gasoline shortage of the 1970s, housing shortages with rent controls. Non-price rationing Examples: Long lines, discrimination by sellers, black markets. How Price Ceiling Affect Market Outcomes
9. In 1973, OPEC raised the price of crude oil in world markets. Crude oil is the major input in gasoline, so the higher oil prices reduced the supply of gasoline. What was responsible for the long gas lines? Economists blame government regulations that limited the price oil companies could charge for gasoline. CASE STUDY:Lines at the Gas Pump
10. S2 1. Initially the price ceiling is not binding… 2.…but when supply falls… S1 S1 P2 Price ceiling Price ceiling 3.…the price ceiling becomes binding… P1 P1 4.…resulting in a shortage… Demand Demand QS Q1 QD Figure 6-2: A Market for Gasoline with a Price Ceiling (a) A Price Ceiling on Gasoline is Not Binding (b) A Price Ceiling on Gasoline is Binding Price of Gasoline 0 Q1 0 Quantity of Gasoline Quantity of Gasoline
11. Rent controls are ceilings placed on the rents that landlords may charge their tenants. The goal of rent control policy is to help the poor by making housing more affordable. One economist called rent control “the best way to destroy a city, other than bombing.” CASE STUDY:Rent Control in the Short Run and Long Run
12. Supply Supply Controlled rent Controlled rent Shortage Shortage Demand Demand Figure 6-3: Rent Control in the Short Run and Long Run (a) Short Run (Supply and Demand are Inelastic) (b) Long Run (Supply and Demand are Elastic) Rental Price of Apartment Rental Price of Apartment 0 0 Quantity of Apartments Quantity of Apartments
13. When the government imposes a price floor, two outcomes are possible. The price floor is not binding if set below the equilibrium price. The price floor is binding if set above the equilibrium price, leading to a surplus. How Price Floors Affect Market Outcomes
14. Supply Supply Surplus $4 Equilibrium price Price ceiling $3 $3 Price Floor Equilibrium price $2 Demand Demand 80 QD 120 QS 100 Equilibrium quantity Figure 6-4: A Market with a Price Floor (a) A Price Floor That is Not Binding (b) A Price Floor That is Binding Price of Ice-Cream Cone Price of Ice-Cream Cone 0 0 Quantity of Ice-Cream Cones Quantity of Ice-Cream Cones
17. An important example of a price floor is the minimum wage. Minimum wage laws dictate the lowest price possible for labor that any employer may pay. CASE STUDY:The Minimum Wage
18. Labour supply Labour surplus (unemployment) Labour supply Minimum wage Equilibrium wage Labour demand Labour demand Quantity supplied Quantity demanded Equilibrium employment Figure 6-5: How the Minimum Wage Affects the Labour Market (a) A Free Labour Market (b) A Labour Market with a Binding Minimum Wage Wage Wage 0 0 Quantity of Labour Quantity of Labour
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21. How is the burden of a tax divided between buyer and seller?
22. When the government levies a tax on a good, the equilibrium quantity of the good falls. The size of the market for that good shrinks, shifting either the demand or supply curve.
24. Taxes discourage market activity. When a good is taxed, the quantity sold is smaller. Buyers and sellers share the tax burden. How Taxes on Buyers (and Sellers) Affect Market Outcomes
25. S1 Price buyers pay $3.30 Price without tax Tax ($0.50) Equilibrium without tax $3.00 A tax on buyers shifts the demand curve downward by size of the tax ($0.50). $2.80 Price sellers receive Equilibrium with tax D1 D2 90 100 Figure 6-6: A Tax on Buyers Price of Ice-Cream Cone 0 Quantity of Ice-Cream Cone
26. S2 S1 Equilibrium with tax Price buyers pay A tax on sellers shifts the supply curve upward by an amount of the tax ($0.50). $3.30 Price without tax Tax ($0.50) Equilibrium without tax $3.00 $2.80 Price sellers receive D1 90 100 Figure 6-7: A Tax on Sellers Price of Ice-Cream Cone 0 Quantity of Ice-Cream Cone
27. Example: Employment Insurance. A payroll tax places a wedge between the wage the workers receive and the wage the firm pays. CASE STUDY:The Burden of a Payroll tax
28. Labour supply Wage firms pay Tax wedge Wage without tax Wage workers receive Labour demand Figure 6-8: A Payroll Tax Wage 0 Quantity of Labour
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30. How do effects of the tax levied on the seller compare with those of the effects imposed on the buyer?
31. Depends on Elasticity of Demand andElasticity of Supply.Elasticity and Tax incidence
34. The more elasticthe demand and the moreinelasticthe supply results in the supplier paying more of the tax.Elasticity and Tax incidence
35. 1. When supply is more elastic than demand … Price buyers pay Supply Tax Price without tax 2. …the incidence of the tax falls more heavily on consumers… Price sellers receive Demand 3. …than on producers. Figure 6-9 a): How the Burden of a Tax is Divided. Price Elastic Supply, Inelastic Demand Quantity
36. Supply 1. When demand is more elastic than supply … Price buyers pay 3. …than on consumers. Tax Demand Price without tax 2. …the incidence of the tax falls more heavily on producers… Price sellers receive Figure 6-9 b): How the Burden of a Tax is Divided Price Inelastic Supply, Elastic Demand Quantity
37. Price controls include price ceilings and price floors. A price ceiling is a legal maximum on the price of a good or service. An example is rent control. A price floor is a legal minimum on the price of a good or a service. An example is the minimum wage. Summary
38. Taxes are used to raise revenue for public purposes. When the government levies a tax on a good, the equilibrium quantity of the good falls. A tax on a good places a wedge between the price paid by buyers and the price received by sellers. Summary
39. The incidence of a tax refers to who bears the burden of a tax. The incidence of a tax does not depend on whether the tax is levied on buyers or sellers. The incidence of the tax depends on the price elasticities of supply and demand. The burden tends to fall on the side of the market that is less elastic. Summary