market failure and government. government and market failure externalities coase theorum public...
TRANSCRIPT
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Market Failure and Government
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Government and Market Failure
• Externalities• Coase Theorum• Public Goods• Tax Types and Theories• Wealth Disparity and Redistribution of Income• Asymmetric Information
*Chapters 12, 19, and 20*
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*The next several slides are just a review of tax incidence and DWL of tax and subsidy
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Tax Incidence
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Tax Incidence
• Nominal (Statutory) versus Economic Incidence
• If “law” doesn’t matter, what does?
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Deadweight Loss
• Allocative Inefficiency
• Do subsidies produce DWL??• If so, where does it appear?
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Deadweight Loss of Subsidy
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Deadweight Loss
• Could a tax eliminate deadweight loss?
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Agenda• Why +MEC or –MEB won’t change tax incidence or
nominal price
• Coase Theorum Article (1 page…okay 1 ½)
• Public v. Private Goods
• Tax Philosophies and Types
**HW- Coase Theorem and PollutionDue tomorrow- collected
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Externalities- simplified
• Negative– MPC < MSC– Per unit tax equal to MEC
• Positive– MPB<MSB– Per unit subsidy equal to MEB
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Coase Theorum
"if trade in an externality is possible and there are no transaction costs , bargaining will lead to an efficient outcome regardless of the initial allocation of property rights”
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Public v. Private Goods• Pure Private– Excludable and Rival– Example: Chia Pets
• Pure Public– Nonexcludable and Nonrival– Example: National Defense– Government generally must provide– Free Rider Problem• Solutions: taxes versus donations
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Public v. Private Goods• Toll Goods– Excludable and nonrival– Example: Cable TV, Toll Road (often natural monopolies)
• Common-pool Resources– Nonexcludable and rival– Example: fish in the public waters, congested roads– Government often regulates• Quotas, licensing fees
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Answers According to AP Resource GuideRed denotes a strong argument for alternative placement, but I guess we should go with the AP
guide.
Pure Private GoodsElectric PowerHaircutRabies ShotPotato Chip
Common Resource
Toll GoodsCollege educationAmusement ParkCable TVPanama CanalUncongested Toll roads and bridgesHealthcareNational Forest Campgrounds
Pure Public GoodsNational DefenseSpraying for MosquitosStreet LightsPolice and Fire Protection
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Paying for Public Goods- Tax Philosophies
• Benefits Received Principle– Closer to free market solution– Example- Gas tax to fund highways/Cigarette Tax
• Ability to Pay Principle– Redistribution of Wealth/Equity– Example: Progressive income tax
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State Revenue
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Taxes
• Progressive• Proportional (flat)• Regressive
*Based on % of income
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Income Tax
• Progressive Tax (Federal)
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Income Tax
• Progressive Tax (Federal)
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State (PA) Income Tax
• Proportional Tax/Flat Tax
• PA = 3.07%
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State Sales Tax
• 6%
• Proportional or Regressive?
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Social Security Tax
• Social Security– Employee• 6.2% on first $117,000• 0% above $117,000• Regressive tax
– Payroll Tax• Employer matches contribution
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Social Security Tax
• Who really pays it?• Is it shared equally as the law would suggest?• Does it depend on the particular labor
market?
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Taxes on Kevin White
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Distribution of Wealth
• Measures– Lorenz Curve and Gini Coefficient (see handout)
• Redistribution/Reduction of Inequality– Transfers– Control Market Prices– Progressive Taxes
• Efficiency versus Equity
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Measuring Inequality
• Lorenz Curve– Farther from 45 = greater inequality
• Gini Coefficient– 0 = complete equality– 1 = complete inequality– A/A+B
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Redistribution/Reduction of Inequality
– Transfers• WIC• TANF• SNAP• Unemployment Comp• Obamacare
– Control Market Prices• Minimum wage• Rent control
– Progressive Taxes • Income Tax – largest federal revenue source
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Equity versus Efficiency
• Thoughts?
• Cons of each?
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Asymmetric Information
Adverse Selection-Before Transaction
Examples-Used Cars-Health Insurance-Loans-Infomercials*I was watching QVC
Moral Hazard-After Transaction
Examples-Health Insurance-Car Insurance-Loans-Helmet
Requirements
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Asymmetric Information
Private Remedies-screenings-credit checks-warranties
Public Remedies-inspections-standards-certifications-reports-lemon laws
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Public Choice Theory
• Rational Choice Theory- individuals act in self-interest
• Private Sector- yep
• Public Sector- yep
• Uhhh ohhh…
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Public Choice Theory
• Private Sector- generally profits• Public Sector – Power– Special Interests– Rent Seeking– Bribes– Reelection– How good would some nachos and wings be right
now?
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Public Choice Theory
• Market Failure v. Government Failure