study of how the allocation of resources affects economic well-being
Willingness to pay
the maximum amount that a buyer will pay for a good
consumer surplus
the amount a buyer is willing to pay minus the amount they actually pay for it
cost
the value of everything a seller must give up to produce a good
equality
the property of distributing economic prosperity uniformly among the members of society >_<
deadweight loss
the fall in total surplus that results from a market distortion, such as a tax
world price
the price of a good that prevails in the world market
tariff
a tax on goods produced abroad and sold domestically
externality
an uncompensated impact of one persons actions on the well-being of a bystander
internalizing the externality
altering incentives so that people take account of the external effects of their actions
corrective tax
a tax designed to induce private decision makers to take account of the social costs that arise from a negative externality
coase theorem
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
transaction costs
the costs that parties incur in the process of agreeing to and following through on a bargain
excludability
being able to prevent someone from using a good
rivalry in consumption
one person's use of a good diminishes other peoples use of it
private goods
goods that are both rival in consumtion and excludable
public goods
goods that are neither rival in consumption or excludable
common resources
goods that are rival in consumption but not excludable
club goods
good that are excludable but not rival in consumption
free rider
a person who recieves the benefit of a good but avoids paying for it
cost-benefit analysis
a study that compares the costs and benefits to society of providing a public good
tradegy of the commons
parable this shows why common resources are used more than is desirable from the standpoint of society as a whole
budget deficit
an excess of government spending over government receipts
budget surplus
an excess of government receipts over government spending
average tax rate
total taxes paid divided by total income
marginal tax rate
the extra taxes paid on an additional dollar of income
benefits principle
the idea that people should pay taxes based on the benefits they recieve from government services
ability to pay principle
the idea that taxes should be levied on a person according to how well that person can shoulder the burden
vertical equity
the idea that taxpayers with a greater ability to pay taxes should pay larger amounts
horizontal equity
the idea that taxpayers with simlar abilities to pay taxes should pay the same amount
proportional tax
a tax for which high income and low income taxpayers pay the same fraction of income
regressive tax
a tax for which high income taxpayers pay a smaller fraction of their income than do low income taxpayers
progressive tax
a tax where high income taxpayers pay a larger fraction of their income than do low income taxpayers
total revenue
the amount a firm receives for the sale of its output
total cost
the market value of the inputs a firm uses in production
profit
total revenue minus the total cost
explicit costs
input costs that require an outlay of money by the firm
implicit costs
input costs that do not require an outlay of money by the firm
economic profit
total revenue minus total cost including both explicit and implicit costs
accounting profit
total revenue minus total explicit costs
production function
the relationship between quantity of inputs used to make a good and the quantity of output of that good
marginal product
the increase in output that arises from an additional unit of input
diminishing marginal product
when the marginal product of an input declines as the quantity of the input increases
fixed costs
costs that do not vary with the quantity of output produced
variable costs
costs that vary with the quantity of output produced
average total cost
total cost divided by the quantity of output
average fixed cost
fixed cost divided by the quantity of output
average variable cost
variable cost divided by the quantity of output
marginal cost
the increase in total cost that arises from an extra unit of production
efficient scale
the quantity of output that minimizes average total cost
economies of scale
the property where long-run average total cost falls as the quantity of output increases
diseconomies of scale
the property where long-run average total cost rises as the quantity of output increases
constant returns to scale
the property where long-run average total cost stays the same as the quantity of output changes
competitive market
a market with many buyers and sellers trading identical products so that each buyer and seller is a price taker
average revenue
total revenue divided by the quantity sold
marginal revenue
the change in total revenue from an additional unit sold
sunk cost
a cost that has already been committed and connot be recovered