design of the tax system
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Design of the Tax System. Mr. Barnett UHS AP Micro/Macro. In this chapter, look for the answers to these questions:. What are the largest sources of tax revenue in the U.S.? What are the efficiency costs of taxes? How can we evaluate the equity of a tax system?. Introduction. - PowerPoint PPT PresentationTRANSCRIPT
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Design of the Tax System
Mr. BarnettUHSAP Micro/Macro
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In this chapter, look for the answers to these questions:
• What are the largest sources of tax revenue in the U.S.?
• What are the efficiency costs of taxes? • How can we evaluate the equity of a tax system?
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Introduction
• One of the Ten Principles from Chapter 1: A government can sometimes improve market outcomes.
• Providing public goods• Regulating the use of common resources• Remedying the effects of externalities
• To perform its many functions, the gov’t raises revenue through taxation.
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Introduction
• Lessons about taxes from earlier chapters:• A tax on a good reduces the market quantity
of that good.• The burden of a tax is shared between buyers and
sellers depending on the price elasticities of demand and supply.
• A tax causes a deadweight loss.
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A Look at Taxation in the U.S.
First, we consider:
• how tax revenue as a share of national income has changed over time
• how U.S. tax revenues compare to other countries
• the most important revenue sources for federal, state, & local gov’t
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U.S. Government Receipts, 1929–2010Receipts: tax revenue, contributions to social insurance programs, and income from government-owned assets
1925
1930
1935
1940
1945
1950
1955
1960
1965
1970
1975
1980
1985
1990
1995
2000
2005
2010
0%
5%
10%
15%
20%
25%
30%
35%
% o
f GDP
federal
state & local
total
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Total Government
Revenue (% of GDP)
Sweden 49%France 44United Kingdom 37Germany 36Canada 33Russia 32Brazil 30United States 28Japan 28Mexico 21Chile 20China 15India 14
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Receipts of the U.S. Federal Govt, 2010:Q3
Tax Amount (billions)
Amount per person
Percent of receipts
Individual income taxes $ 886 $2,869 36.7%
Social insurance taxes 992 3,215 41.1
Corporate income taxes 314 1,016 13.0
Other 224 726 9.3
Total $2,416 $7,827 100.0%
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Receipts of State & Local Govts, 2010:Q3
Tax Amount (billions)
Amount per person
Percent of receipts
Sales taxes $432.0 $1,399 32.4%
Property taxes 437.8 1,418 32.8
Individual income taxes 262.9 852 19.7
Corporate income taxes 91.1 295 6.8
Other 111.0 360 8.3
Total $1,335 $4,323 100.0%
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Taxes and Efficiency
• One tax system is more efficient than another if it raises the same amount of revenue at a smaller cost to taxpayers.
• The costs to taxpayers include:• the tax payment itself• deadweight losses• administrative burden
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Deadweight Losses• One of the Ten Principles:
People respond to incentives. • Recall from Chapter 8:
Taxes distort incentives, cause people to allocate resources according to tax incentives rather than true costs and benefits.
• The result: a deadweight loss. The fall in taxpayers’ well-being exceeds the revenue the gov’t collects.
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Income vs. Consumption Tax• The income tax reduces the incentive to save• Some economists advocate taxing consumption instead of income
• Would restore incentive to save.• Better for individuals’ retirement, income security and long-run
economic growth.• Rabushka & Hall:
• Income Tax - taxes what people contribute to economy• Consumption Tax- taxes what people take out• Idea is to eliminate taxes on interest, dividends and capital gains (Pres. Bush)
• Japan – 1989 after VAT (Carl Shoup)• Proposal to raise from 5% to 8% to 10% by 2015
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Income vs. Consumption Tax• Consumption tax-like provisions in the U.S. tax code include Individual
Retirement Accounts (IRA), 401(k) plans.• People can put a limited amount of saving into such accounts.• The funds are not taxed until withdrawn at retirement.
• Europe’s Value-Added Tax (VAT) is like a consumption tax• Theory: VAT taxes the difference between what a produces pays for raw
materials and labor and what they charge for finished goods• Actuality: Gov’t collects fixed % of the full pre-VAT selling price of a good
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Administrative Burden
• Includes the time and money people spend to comply with tax laws• Encourages the expenditure of resources on legal tax avoidance
• e.g., hiring accountants to exploit “loopholes” to reduce one’s tax burden
• Is a type of deadweight loss• Could be reduced if the tax code were simplified
but would require removing loopholes, politically difficult
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Marginal vs. Average Tax Rates
• Average tax rate• total taxes paid divided by total income• measures the overall sacrifice a taxpayer makes
• Marginal tax rate• the extra taxes paid on an additional dollar of income• measures the incentive effects of taxes
on work effort, saving, etc.
• Citizen X makes $60,000• Tax code says: 20% on first $50,000, 50% on income over $50,000• Amount of Tax Paid ___________• Average Tax Rate: _____________• Marginal Tax Rate: _____________
Amount of Tax Paid: (0.2 x 50,000) + (0.5 x 10,000) = 5,000 + 10,000 = $15,000
Average Tax Rate: (15,000/60,000) x 100 = 25%
Marginal Tax Rate: 50%
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Marginal tax rateAverage tax rateIncome
0%10%$40,000
0%20%$20,000
Lump-Sum Taxes• A lump-sum tax is the same for every person• Example: lump-sum tax = $4000/person
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A lump-sum tax is the most efficient tax: Causes no deadweight loss
Does not distort incentives. Minimal administrative burden
No need to hire accountants, keep track of receipts, etc.
Yet, perceived as unfair: In dollar terms, the poor pay as much as the rich. Relative to income, the poor pay much more than the
rich.
Lump-Sum Taxes
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• Another goal of tax policy: equity – distributing the burden of taxes “fairly.”
• Agreeing on what is “fair” is much harder than agreeing on what is “efficient.”
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The Benefits Principle
• Benefits principle: the idea that people should pay taxes based on the benefits they receive from gov’t services
• Tries to make public goods similar to private goods—the more you use, the more you pay
• Example: Gasoline taxes• Amount of tax paid is related to
how much a person uses public roads
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The Ability-To-Pay Principle
• Ability-to-pay principle: the idea that taxes should be levied on a person according to how well that person can shoulder the burden
• Suggests that all taxpayers should make an “equal sacrifice”
• Recognizes that the magnitude of the sacrifice depends not just on the tax payment, but on the person’s income and other circumstances• A $10,000 tax bill is a bigger sacrifice for a
poor person than a rich person
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Vertical Equity• Vertical equity: the idea that taxpayers with a greater ability
to pay taxes should pay larger amounts
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Three Tax Systems• Proportional tax:
Taxpayers pay the same fraction of income, regardless of income
• Regressive tax: High-income taxpayers pay a smaller fraction of their income than low-income taxpayers
• Progressive tax: High-income taxpayers pay a larger fraction of their income than low-income taxpayers
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200,000
100,000
$50,000
% of incometax% of
incometax% of incometaxincome
3060,000
2525,000
20%$10,000
Progressive
2550,000
2525,000
25%$12,500
Proportional
2040,000
2525,000
30%$15,000
Regressive
Examples of the Three Tax Systems
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U.S. Federal Income Tax Rates: 2010
On taxable income… the marginal tax rate is…
0 – $8,375 10%
8,376 – 34,000 15%
34,001 – 82,400 25%
82,401 – 171,850 28%
171,851 – 373,650 33%
Over $373,650 35%
The U.S. has a progressive income tax.
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Horizontal Equity
• Horizontal equity: the idea that taxpayers with similar abilities to pay taxes should pay the same amount
• Problem: Difficult to agree on what factors, besides income, determine ability to pay.
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Tax Incidence and Tax Equity
• Recall: The person who bears the burden is not always the person who gets the tax bill.
• Example: A tax on fur coats• May appear to be vertically equitable• But furs are a luxury with very elastic demand• The tax shifts demand away from furs,
hurting the people who produce furs (who probably are not rich)
• Lesson: When evaluating tax equity, must take tax incidence into account.
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Who Pays the Corporate Income Tax?• When the gov’t levies a tax on a corporation,
the corporation is more like a tax collector than a taxpayer.
• The burden of the tax ultimately falls on people.• Suppose gov’t levies a tax on automakers.
• Owners receive less profit, may respond over time by shifting their wealth out of the auto industry.
• The supply of cars falls, car prices rise, car buyers are worse off.
• Demand for auto workers falls, wages fall, workers are worse off.
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Flat TaxesFlat tax: a tax system under which the marginal tax rate is the same for all taxpayers• Typically, income above a certain threshold is taxed at a
constant rate• The higher the threshold, the more progressive
the tax• Sharply reduces administrative burden• Not popular with
• people who benefit from the complexity of the current system (accountants, lobbyists)
• people who can’t imagine life without their favorite deduction/loophole
• Used in some central/eastern European countries
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Capital Gains TaxCapital Gains tax: a tax on profit realized on the sale of an asset that was purchased at a cost amount that was lower than the amount realized on the sale. The most common capital gains are realized from the sale of stocks, bonds, precious metals and property.• Short-term capital gains are taxed at the investor's ordinary
income tax rate and are defined as investments held for a year or less before being sold.
• Long-term capital gains, which are gains on dispositions of assets held for more than one year, are taxed at a lower rate than short-term gains.
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• Qualified dividends and long term capital gains are taxed at 0% for those in the 10% and 15% income tax brackets.
• Ordinary dividends are taxed at the taxpayer's ordinary income tax rate, regardless of his or her tax bracket. Qualified dividends are taxed at a lower rate.
• The long-term capital gains tax rate is 15% (0% for taxpayers in the 10% and 15% tax brackets, and 20% for taxpayers in the 39.6 bracket).
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CONCLUSION: The Trade-Off Between Efficiency and Equity
• The goals of efficiency and equity often conflict:• e.g., lump-sum tax is the least equitable but most efficient tax.
• Political leaders differ in their views on this tradeoff. • Economics
• can help us better understand the tradeoff• can help us avoid policies that sacrifice efficiency without any increase
in equity
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