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Econ 200 Final Review
University of Arizona-Prof. Johnson
73
Economics
Undergraduate 2
05/06/2007

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Term
The overriding reason why households and societies face many decisions
Definition
resources are scarce
Term
In most societies, how are resources are allocated
Definition
the combined actions of millions of households and firms
Term
Society faces a trade off between
Definition
efficiency and equity
Term
Efficiency can be described as
Definition
minimum waste
Term
Since efficiency refers to the size of the economic pie, equity refers to...
Definition
how the pie is divided
Term
In economics, the cost of something is...
Definition
what you give up to get it
Term
Making rational decisions at the margin means that people
Definition
compare marginal costs and marginal benefits of each decision.
Term
These rights help make sure the markets work well
Definition
property rights
Term
The primary determinant of a country's standard of living
Definition
the country's ability to produce goods and services
Term
Economists make assumptions so they can...
Definition
focus thier thinking on the essence of the problem at hand
Term
True or False: An ecomomy by itself can produce at any point on or inside the production possibilities frontier, but not outside it
Definition
True
Term
Whay are production possibility curves bowed outward
Definition
resources are speciallized, that is, some are better at producing particular goods rather than other goods
Term
If a point is within the Production Possibilities Frontier curve (not on or anywhere else on the graph) it is said to be
Definition
ineffcient
Term
An improvement in the PPF curve can be reflected as an increase in the production of the good(s). Better production can be explained by...
Definition
A technological advance in the the production of the good(s)
Term
If labor in Mexico is less productive than labor in the United States in all areas of production, both Mexico and the United States still can benefit from...
Definition
trade
Term
Absolute Advantage
Definition
The person who is more efficient
Term
Comparative Advantage
Definition
The person who has a smaller opportunity cost in production
Term
Total output in an economy increases when each person specializes because...
Definition
each person spends more time producing within each country due to specialization
Term
The term market always refers to
Definition
a group of buyers and sellers of a particular good or service
Term
Buyers and sellers who have no influence on market price are referred to as
Definition
price takers
Term
If a seller in a comparative market chooses to charge more than the market price, then
Definition
buyers will tend to make purchases from other sellers
Term
true or false technology is not a determinant of demand
Definition
false
Term
If a seller in a competitive market chooses to charge more than the market price, what will buyers do.
Definition
buyers will tend to make purchases from other sellers
Term
Normal Goods
Definition
an increase income will result in an increase in demand
Term
Two goods are compliments if a decrease in the price of one good does this to demand
Definition
increases the demand
Term
What does the market demand curve represent
Definition
the sum of the quantities demanded by all the buyers at each price of the good
Term
Suppose you make jewelry. If the price of gold falls, we would expect you to do this...
Definition
be willing and able to produce more jewelry than before at each possible price
Term
An advance in technology does this to the supply and demand curves
Definition
shifts the supply curve to the right, but demand curve is unaffected
Term
If, at a current price, there is a shortage of a good, the price is said to be
Definition
below the equilibrium price
Term
When supply and demand both increase, equilibrium price can do this
Definition
increase, decrease, or stay the same
Term
when studying how some event or policy affects the market, elasticity provides information on
Definition
the magnitude of the effect on the market
Term
If a good has very few substitutes, it tends to be a(n) _______________ good
Definition
inelastic
Term
Economists compute the price elasticity of demand by
Definition
the percent change in quatitiy demanded divided by the percent change in price
Term
the greater the responsiveness of quantity demande to a change in price, the greater the _____________________.
Definition
price elasticity of demand
Term
Suppose a good is prefectly inelastic, and the supply of the good decreases what happens to the equilibrium price and quantity demanded
Definition
price increases, quantity is unchanged
Term
A price ceiling is binding when it is set
Definition
below the equilibrium price causing a shortage
Term
When policy makers set prices by legal decree, the
Definition
are obscuring the signals that normally guide the allocation of societies resources
Term
The equilibrium price of a product is considered the be the best price because is maximizes
Definition
total revenue for firms and maximizes the quantity supplied of the product
Term
If an allocation of resources is efficient what is said of the potential gains from trade
Definition
all the potential gains from trade among buyers and sellers is being realized
Term
moving production from a high cost producer to a low-cost producer will
Definition
rais total surplus
Term
If a market is allowed to move freely to its equilibrium price and quantity, then an increase in supply will
Definition
increase consumer surplus
Term
A simultaneous increase in both the demand for a good and the supply for a good would imply what about the value and cost of the good
Definition
the value of the good to consumers has increased and the cost of producing radios has decreased
Term
A technological advance in the production of a good will
Definition
increase consumer surplus in the market for the good and increase producer surplus in a complementary market
Term
What is the equation for loss in consumer surplus caused by a tax
Definition
Loss of consumer surplus=(1/2)(P3-P2)(Q1+Q2)
Term
Consider a good to which a per-unit tax applies. The size of the deadweight that results from the tax is smaller, in these three properties
Definition
1. less elastic demand for the good
2. smaller the amount of tax
3. less elastic supply of the good
Term
If the domestic price of a good in the US is lower than the world price of a good this suggests that
Definition
The US has a comparative advantage over the other countries and the US will export the good
Term
When a country allows trade and becomes an exporter of a good what happens to the domestic producers and consumers
Definition
domestic producers gain and domestic consumers lose
Term
when a country allows trade and becomes an importer of a good this happens to producers and consumers
Definition
domestic producers become worse off, and domestic consumers become better off
Term
This type of profit never exceeds accounting profit
Definition
Economic Profit
Term
Economists normally assume that a goal of a firm is to do this with its profits
Definition
maximize profits
Term
what makes up the accounting profit
Definition
accounting profit=economic profit+implicit costs
Term
marginals cost tells us this
Definition
the amount by which total cost rises when output is increased by one unit
Term
when marginal cost exceeds average total cost
Definition
average total cost must be rising
Term
marginal cost is equal to average total cost when
Definition
average total cost is at its minimum
Term
In a competitive market the actions of any single buyer or seller will this impact on a market
Definition
negligible
Term
When a profit-maximizing firm in a competitive market has zero economic profit, accounting profit
Definition
is positive
Term
The short run supply curve for a firm in a perfectly competitive market is
Definition
the portion of its marginal cost curve that lies above its average variable cost
Term
when profit maximizing firms in acompetitive markets are earning profits
Definition
new firms will enter the market
Term
A competitive market is in long-run equilibrium. If demand decreases, we can be certain that price will
Definition
fall in the short run. all, some, or no firms will shut down, and some of them will exit the industry. prices will then rise to teach the new long-run equilibrium
Term
True or False: the monopolist produces where P=MC
Definition
False
Term
Externality
Definition
the uncompensated impact of one person's actions on the well-being of a bystander
Term
When externalities are present in a market this happens to participants
Definition
participants lose some market benefits to bystanders
Term
When a market is characterized by an externality, the government
Definition
can correct the market failure in the case of both positive and negative externalities by indicng market participants to internalize the externality
Term
selling pollution permits is a better method for reducing pollution than imposing a corrective tax because
Definition
it is hard to estimate the market demand curve and thus charge the "right" corrective tax
Term
both public goods and common resources are
Definition
nonexcludable
Term
the tragedy of commons occurs because
Definition
social and private incentives differ
Term
In computing the GDP, market prices are used to value final goods and services because
Definition
market prices reflect the values of goods and services
Term
Consumer Price Index
Definition
a measure of the overall cost of the goods and services bought by a typical consumer
Term
Steps of calculating the CPI
Definition
1. Fix the basket
2. Find the prices
3. Compute the basket Cost
4. Choose a base year and compute the index

CPI=(Price of Basket/Base Yr. Basket)x100
Term
Given the situation when is GDP recoreded: A car dealership has an increase in inventory of 25 cars in 2006. In 2007 it sells all 25 cars.
Definition
2006
Term
Nominal GDP
Definition
values production at current prices
Term
Real GDP
Definition
values production at constant prices
Term
GDP fails to account for this
Definition
quality of the environment
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