资源简介

(共26张PPT)
INTRODUCTION TO
GOVERNMENT FINANCE
C h a p t e r 10
Government Finance
Method of finance proposed for a community or actually used can affect many variables, including:
The political equilibrium
Overall market equilibrium and efficiency with which resources are employed in private uses
The distribution of income
Principles of Taxation
Taxes – compulsory payments associated with certain activities
Revenues from taxation used to purchase inputs necessary to produce government-supplied goods and services or to redistribute purchasing power among citizens
Reallocates resources from private to government use in two steps:
Ability of individuals to command resources is reduced (reduces income for spending)
Revenues collected used to bid for resources necessary to provide government goods and services, plus income support to recipients of government transfers (i.e., Social Security)
Tax Base
Tax base – item or economic activity on which the tax is levied
Economic bases (most commonly used): income, consumption, wealth
General tax – taxes all components of the economic bases; no exclusions, exemptions, or deductions from the tax base
Selective tax – one that taxes only certain portions of the tax base, or allows exemptions and deductions from general tax base
Excise tax – tax on manufacture or sale of particular good or service
Tax Rate Structure
The relationship between tax collected during a given accounting period and the tax base
Average tax rate (ATR) is total dollar amount of taxes collected divided by dollar value of taxable base:
Marginal tax rate (MTR) is additional tax collected on additional dollar value of tax base as tax base increases:
Proportional Tax Rate Structure
One for which the ATR, expressed as percentage of value of the tax base, does not vary with value of the tax base:
Progressive Tax Rate Structure
Progressive Tax Rate Structure
One for which the ATR increases with the size of the tax base
Tax bracket gives incremental annual income associated with each MTR
Regressive Tax Rate Structure
One for which the ATR declines as size of tax base increases; MTR is less than ATR for all those brackets above the lowest
Average Tax Rate by Nation
Average tax rate by nation measured by revenues as a percent of GDP, 2007
Benefit Principle
Argues that the means of financing government-supplied goods and services should be linked to benefits citizens receive from government
Fees and charges ideal forms of government finance
If successfully implemented, links cost per unit of government-provided services with marginal benefits of those services
Taxing all according to their marginal benefits results in Lindahl equilibrium (if no free riders)
However, collectively consumed benefits difficult to assign to individuals
Sometimes benefits can be correlated with particular economic activity, taxed so that amount paid varies according to benefits received
Ability-to-Pay Principle
Maintains that taxes should be distributed according to capacity of taxpayers to pay them
Citizens with greater ability to earn income taxed more heavily than those with less capacity to earn
Horizontal equity achieved when those of same economic capacity pay same amount of taxes per year
Vertical equity achieved when those of differing economic ability pay annual tax bills that differ according to some collectively chosen notion of fairness
Both concepts of equity subjective, difficult to administer
Evaluating Methods of Government Finance
System of government finance makes trade-offs among such criteria as:
Equity: should coincide with commonly held notions of fairness and ability to pay
Efficiency: should raise revenues with minimal loss in efficiency in private sector
Administrative ease: should be relatively easy to administer in consistent manner without excessive costs to collect, enforce, comply with taxes and tax laws
Equity Versus Efficiency
Because main function of government finance is to reallocate resources from private to government use, government must reduce private consumption and investment to accomplish this
Most efficient means of government finance raise level of revenue while minimizing loss in well-being from market production, exchange
Goals of efficiency and equity in distribution of taxes likely to conflict
Trade-off between equitable and efficient system resolved through political interaction
Democratic tax systems often full of exemptions and deductions for particular groups
Tax Compliance and Evasion
Tax evasion – noncompliance with tax laws by failing to pay taxes that are due
The greater the noncompliance, the higher the tax rates necessary to raise revenues
Is illegal
Tax avoidance – a change in behavior to reduce tax liability
High taxes on labor income may induce workers to refuse overtime
Taking advantage of loopholes in tax code can reduce tax liability
Not illegal, but socially wasteful
Reducing Tax Evasion
In progressive tax rate structure (say, personal income tax), marginal benefit of dollar of tax evasion declines as more taxable income not reported (as taxpayer moves into lower tax brackets):
Reducing Tax Evasion
Reduction in MTRs reduces marginal benefit of tax evasion, resulting in downward shift of marginal benefit curve and decrease in unreported income; increasing moral pressure could also shift marginal benefit curve down:
Reducing Tax Evasion
Increases in marginal cost of tax evasion (increasing probability of detection or increase in penalties to those detected) will reduce amount of tax evasion:
Debt Finance
Use of borrowed funds to finance government expenditures
Lender receives bond, or some other note, that embodies promise of government to repay loan with interest at some future date
As debt is paid off, some form of alternate finance is necessary
Often used to finance capital expenditures made by government authorities
Allows financing of projects with benefits that will accrue in the future without excessive reduction in current purchasing power
Government-Induced Inflation
Sustained annual increase in prices caused by expansion of the money supply to pay for government-supplied goods and services
Effect of such continual increases in money supply is sustained increases in general level of prices, or inflation
Reduces purchasing power of money held by the public
Can be used only for short periods of time
Government-Induced Inflation
Donations
Voluntary contributions to governments from individuals or organizations
Occasionally used to finance particular programs
Aid to victims of natural disasters
Contribution of materials and/or time to a war effort
In communities (where individuals have common tastes or goals), voluntary contributions may be good means of finance; effectiveness diminishes as diversity of preference or population increases
User Charges
Prices determined through political rather than market interaction
Direct prices associated with consumption of particular goods and services
Fees for using certain government facilities or services
Special assessments on private property
Licenses or franchises
Fares or tolls
Earmarked taxes – special taxes designed to finance specific government-supplied services; similar to user charges
Gasoline tax
User Charges
Determining appropriate user charge for government-supplied good or service with external benefits similar to that of determining a corrective subsidy:
User Charges
Government Enterprise
Governments often sell private goods and services to raise revenues to reduce reliance on taxes:
Gambling services such as state lotteries, betting games
Retail services such as state liquor stores
Normative approach argues that output of public enterprise must be priced at its marginal cost to achieve efficiency

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