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Microeconomics
ch 9, 10, 11, 12, 2`
35
Economics
Undergraduate 1
11/15/2009

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Term
World Price 
Definition
The price of a good that prevails in the world market for that good 
Term
Tariff 
Definition
A tax on goods produced abroad and sold domestically 
Term
Externality 
Definition
The uncompensated impact of one person's actions on the well-being of bystanders 
Term
Internalizing the Externality 
Definition
Altering incentives so that people take account of the external effects of their actions 
Term
Corrective Tax 
Definition
A tax designed to induce private decision makers to take account of social costs that arise from negative externalities 
Term
Coase Theorem 
Definition
The proposition that if private parties can bargain without cost over the allocation of resources, they can solve the problem of externalities on their own 
Term
Transaction Costs 
Definition
The costs that parties incur in the process of agreeing to and following through on a bargain 
Term
Excludability 
Definition
The property of a good whereby a person can be prevented from using it
Term
Rivalry in Consumption 
Definition
The property of a good whereby one person's use diminishes other people's use 
Term
Private Goods
Definition
Goods that are both excludable and rival in consumption 
Term
Public Goods 
Definition
Goods that are neither excludable nor rival in consumption 
Term
Common Resources 
Definition
Goods that are rival in consumption but not excludable
Term
Natural Monopoly 
Definition
Goods that are excludable but not rival in consumption 
Term
Free Rider
Definition
A person who receives the benefit of a good without paying for it 
Term
Cost-Benefit Analysis 
Definition
A study that compares the costs and benefits to society of providing a public good 
Term
Tragedy of the Commons 
Definition
A parable that illustrates why common resources are used more than is desirable from the standpoint of society as a whole 
Term
Budget Deficit 
Definition
An excess of government spending over government receipts 
Term
Budget Surplus
Definition
An excess of government receipts over government spending 
Term
Average Tax Rate (ATR) 
Definition
Total taxes paid divided by total income 
Term
Marginal Tax Rate (MTR) 
Definition
The extra taxes paid on an additional dollar of income 
Term
Lump-Sum Tax
Definition
A tax that is the same amount for every person 
Term
Benefits Principle 
Definition
The idea that people should pay taxes based on the benefits they receive for government services 
Term
Proportional Tax
Definition
A tax for which high-income and low-income taxpayers pay the same fraction of income 
Term
Regressive Tax
Definition
A tax for which high income taxpayers pay a lower percentage of their income than do low income taxpayers 
Term
Progressive Tax
Definition
A tax for which high income taxpayers pay a larger fraction of their income than low income taxpayers 
Term
Budget Constraint 
Definition
The limit on the consumption bundles that a consumer can afford
Term
Indifference Curve
Definition
A curve that shows consumption bundles that give the consumer the same level of satisfaction 
Term
Marginal Rate of Substitution 
Definition
The rate at which a consumer is willing to trade one good for another 
Term
Perfect Substitutes 
Definition
Two goods with straight line indifference curves 
Term
Perfect Complements 
Definition
Two goods with right angle indifference curves 
Term
Normal Good 
Definition
A good for which an increase in income raises the quantity demanded 
Term
Inferior Good 
Definition
A good for which an increase in income reduces the quantity demanded 
Term
Income Effect
Definition
The change in consumption that results when a price change moves the consumer to a higher or lower indifference curve 
Term
Substitution Effect
Definition
The change in consumption that results when a price change moves the consumer along a give indifference curve to a point with a new marginal rate of substitution 
Term
Giffen Good 
Definition
A good for which an increase in the price raises the quantity demanded 
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