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Macroeconomics - Test 1
Dr. Holcombe
125
Economics
01/24/2012

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Term
What is economics?
Definition
The study of human behavior in the presence of constraints. Study economics to predict what you will do
Term
constraints
Definition
government, taxes, money, first day attendance tool, choices you make, time, parents, society
Term
scarce good
Definition
it is anything that is not so abundant in nature, anything with a price
Term
free good
Definition
is available in nature in such abundance that if the price were 0, we could get all that we want. Example: ocean water, sunshine, air
Term
resource
Definition
anything used to produce another good
Term
natural resource
Definition
iron ore, oceans, river, land
Term
human resource
Definition
knowledge, experience, talent
Term
physical resource
Definition
tools, machinery, factories
Term
will we run out of oil?
Definition
no. we will never run out because before we ever use it all, it is so costly to find, we begin to look for alternatives
Term
Resources
Definition
1. land
2. labor
3. capital
4. entreprenuership
Term
return of resources
Definition
1. rent
2. wages
3. interest
4. profit
Term
entreprenuership
Definition
specialized form of human capital. person that brings together the other 3 (land, labor, and capital) to produce a new idea or service
Term
return of land
Definition
rent
Term
return of labor
Definition
wages
Term
return of capital
Definition
interest
Term
return of entreprenuership
Definition
profit
Term
accountant profit
Definition
total revenue - total cost. If greater than 0, means profit, if less or negative, than loss
Term
Economist profit
Definition
taking resources worth a certain amount of money and combining them into a finished product worth more than what they cost individually
Term
loss
Definition
where scarce resources are combined and they are worth less than individually
Term
profit
Definition
increased value of scarce resources
Term
subsidy
Definition
somebody that pays part of the cost.
when subsidized we get more of something
Term
when taxed
Definition
we get less of something
Term
scarcity
Definition
is a specific thing. not abundant enough in nature so that everyone can have as much as they want for free
Term
poverty
Definition
is subjective and someones opinion
Term
positive economics
Definition
true or false, can be tested. economic statements that can be proven or disproven
Term
normative economics
Definition
someones opinion, not provable or disprovable
Term
subjective
Definition
opinion. Example: an opinion on an essay
Term
objective
Definition
multiple choice, T or F, matching, you obviously get the right answer or you don't
Term
utility
Definition
benefit or satisfaction
Term
marginal
Definition
additional cost and additional benefit
Term
rationing
Definition
allocating a scarce resource among those who want it.
Example: with price, first come first serve, arbitrarily
Term
rationing with price
Definition
is most efficient, but poor people cannot afford it
Term
opportunity cost
Definition
most highly valued thing you give up when you do one thing versus another, very subjective
Term
there is always a tradeoff
Definition
we call this opportunity cost
Term
individuals choose purposefully and therefore economically
Definition
people either choose the highest utility or the lowest cost
Term
Incentives
Definition
MATTER!
Term
Economic thinking is marginal thinking
Definition
people make decisions at the margin
Term
information is a costly good
Definition
example: education, college is very expensive
Term
rational ignorance
Definition
you remain rationally ignorant when the cost of something is more than the benefit
Term
short sighted
Definition
immediate cost and immediate benefits and can't see the long term cost and the long term benefits
Term
economists always remember
Definition
the secondary effects
Term
ceteris paribus
Definition
all else equal
Term
good intentions do not
Definition
guarantee good outcomes
Term
association is not causation
Definition
every time it rains, I see umbrellas, therefore umbrellas cause rain. In fact, rain causes the use of umbrellas
Term
fallacy of composition
Definition
just because something is good for the individual doesn't mean it is good for the group
Term
statistical murder
Definition
save a few lives or a lot of lives with a certain amount of money
Example: making people buy a ticket for an infant on a plane, causes them to drive which is more dangerous than flying on an airplane
Term
individual decision making
Definition
you decide what you want, often you determine your own opportunity cost
Term
collective decision making
Definition
he [the government] tells you what your OC is. He pulls your money and he collectively thinks and tells you what your OC is
Term
trade creates value
Definition
anything we do to limit trade reduces value and wealth in our country
Term
voluntary exchange
Definition
both willingly enter into the trade
Term
involuntary exchange
Definition
often forced
Term
zero-sum game
Definition
if somebody gets value from the trade, another loses value
Term
positive sum game
Definition
trade is a positive sum game because people willingly enter the trade, and both parties benefit
Term
transaction costs
Definition
barrier to trade
Term
middlemen
Definition
reduce costs of trade and increases value
Term
free market
Definition
non governmental intervention
Term
property rights
Definition
1. right to exclusive use of property
2. legal protection against others using it without owners permission
3. right to transfer, sell, exchange or mortgage the property
Term
imminent domain
Definition
government condemns your property by saying that we think your property would be better suited and would create more wealth by using it for something else, so they take it
Term
fallacy of composition
Definition
bad for individual, but good for the society as a whole
Term
good things that result from property rights
Definition
1. property owners have the incentive to consider the desires of others and lose by not considering the rights of others
2. incentives to take care of your property to protect the value
Term
common property
Definition
everyone shares it and it technically is no ones property. Problems include littering, school desk graffiti, etc.
Term
production possibilities curve
Definition
graph that shows all the different combinations of goods and resources that can be produced in an economy based on three things:
1. fixed amount of resources
2. fixed amount of technology
3. using both resources and technology efficiently
Term
investment good
Definition
any good used to produce another good. Natural or man-made - a resource
Term
command economy
Definition
the government makes the decision of what point to produce at
Term
efficient production
Definition
any point along the line on the production possibilities curve
Term
linear curve
Definition
equally well suited to produce good A as good B. the opportunity cost of a linear curve is constant
Term
non-linear
Definition
opportunity cost is not constant
Term
can we consume beyond our production possibilities frontier?
Definition
yes through trade.
Term
comparative advantage
Definition
opportunity cost is more, you give up less than others to do this thing
Term
absolute advantage
Definition
you do something better, example: faster, better, etc.
Term
command economy
Definition
central planners decide
Term
demand
Definition
is a schedule of all the various quantities of a good or service that consumers are willing and able to buy at various prices but at a specified time, place and population
Term
law of demand
Definition
an indirect relationship or inverse relationship between price and quantity demanded. Tells us what direction consumers will go
Term
change in demand
Definition
consumers buy more or less of a good or service for any reason other than price (shift of the curve)
Term
change in quantity demanded
Definition
when a consumer buys more or less of something because the price changes (slide along the curve)
Term
marginal benefit
Definition
measures your additional benefit
Term
marginal utility
Definition
the additional benefit
Term
consumer surplus
Definition
the difference between your demand curve and what you actually have to pay which is the market price
Term
demand
Definition
what you are willing and able to buy
Term
the consumer surplus
Definition
is above the price line and below the demand curve on a graph
Term
elasticity
Definition
measures the magnitude of how much more; degree of how much more or how much less
Term
elastic
Definition
looks like an E
Term
inelastic
Definition
resembles an I
Term
number of substitutes
Definition
if a good has many close substitutes then your demand will be relatively elastic. As the price changes consumers respond a lot.
If it doesn't have good, close substitutes then the demand curve is inelastic
Term
consumer surplus
Definition
difference between what consumer is willing and able to pay and what he actually has to pay
Term
supply
Definition
a schedule of all the various quantities of a good or service that a producer is willing and able to see at various prices and at a specified time, place, and population
Term
law of supply
Definition
positive or direct relationship of price, quantity and supply
Term
change in supply
Definition
caused by anything but price (a shift of the supply curve)
Term
change in quantity supplied
Definition
caused by a change in price (slide along on the supply curve)
Term
producer surplus
Definition
the difference between what it costs us to produce a unit and what we actually get from producing it
Term
marginal cost
Definition
the cost of producing each additional unit
Term
as you produce more of something
Definition
the cost of producing that thing goes up
Term
slope
Definition
is not elasticity
Term
in a competitive market economy
Definition
the price will always tend toward equilibrium in absence of governmental intervention
Term
what determines price?
Definition
cannot tell you which (supply or demand) determines, because both do
Term
point of equilibrium
Definition
where supply and demand intersect
Term
elasticity of demand
Definition
how responsive quantity demanded is to a change of price
Term
inferior good
Definition
as your income rises you buy less of this good
Term
normal good
Definition
as your income rises, you buy more of this good
Term
y
Definition
stands for income
Term
disposable income
Definition
income after taxes
Term
Things that cause your demand curve to shift
Definition
1. income
2. number of buyers in the market
3. innovation
4. price of a related product
5. expectations
Term
supply, demand, and government
Definition
determines price, the government can decide to set a price arbitrarily
Term
invisible hand principle
Definition
market prices coordinate the actions of self-interested individuals and direct them toward activities that promote the general welfare
Term
economic efficiency
Definition
a state in which all potential gains from trade have been realized. an action that is only efficient if it creates more benefits than costs. In a competitive market with well defined property rights, market equilibrium results in economic efficiency
Term
market equilibrium
Definition
a state in which the forces of supply and demand are in balance. quantity supplied in the market will equal quantity demanded in the market
Term
substitutes
Definition
goods that perform similar functions
Term
complements
Definition
goods that are normally consumed together
Term
production possibilities curve
Definition
graph that shows all possible allocations of the most output that can be produced from limited resources of an economy. it assumes resource base is fixed, technology is fixed, and resources are being used efficiently
Term
capitalism
Definition
an economic system in which productive resources are owned privately and goods and resources are allocated through market pricing
Term
socialism
Definition
an economic system in which the basic means of production are owned and controlled by the government and goods and resources are allocated through government central planning
Term
creative destruction
Definition
new products and methods of production replacing old ones.
Term
transaction costs
Definition
anything that makes a transaction more expensive.
Term
middlemen
Definition
someone who or something that facilitates trade
Term
producer surplus
Definition
the difference between the minimum price suppliers are willing and able to sell something for and the price that they actually sell it for.
Term
height of a supply curve
Definition
is what it costs to produce at that quantity
Term
excess demand
Definition
shortage
Term
excess supply
Definition
surplus
Term
an excess supply
Definition
is caused by a price floor
Term
an excess demand
Definition
is caused by a price ceiling
Term
resources:
1. land
2. labor
3. capital
4.entreprenuership
Definition
return:
1. rent
2. wages
3. interest
4. profit
Term
economic way of thinking
Definition
1. always a tradeoff
2. individuals choose purposefully and therefore economically
3. incentives matter
4. economic thinking is marginal thinking
5. information is a costly good
6. remember secondary effects
Term
Tools of the economist
Definition
1. opportunity cost
2. trade creates value
3. property rights
4. production possibilities frontier
5. comparative advantage
Term
property rights
Definition
a. assumes free market
b. includes three elements
c. can use property rights as long as you don't infringe on anyone else's property rights
d. good things result from property rights
Term
good things that result from property rights
Definition
1. property owners have the incentive to consider the desires of others
2. incentives to take care of your property to protect the value
3. incentives to conserve
4. incentives to be careful with property