Final Exam Terms Flashcards
Economics
the study of how human beings coordinate their wants and desires, given the decision-making mechanisms, social customs, and political realities of the society
Scarcity
the goods available are too few to satisfy individuals’ desires
Microeconomics
the study of individual choice, and how that choice is
influenced by economic forces
Macroeconomics
the study of the economy as a whole
TANSTAAFL
There Ain’t No Such Thing As A Free Lunch
Marginal cost
the additional cost to you over and above the costs you have already incurred
Sunk costs
costs that have already been incurred and cannot be recovered
Marginal benefit
the additional benefit above what you’ve already derived
Economic decision rule
if the marginal benefits of doing something exceed the marginal costs, do it. If the marginal costs of doing something exceed the marginal benefits, don’t do it
Opportunity cost
the benefit that you might have gained from choosing the next-best alternative
Implicit costs
costs associated with a decision that often aren’t included in normal accounting costs
Economic forces
the necessary reactions to scarcity
Market force
an economic force that is given relatively free rein by society to work through the market
Invisible hand
the price mechanism, the rise and fall of prices that guides our actions in the market
Social forces
forces that guide individual actions even though those actions may not be in an individual’s selfish interest
Political forces
legal directives that direct individuals’ actions
Economic model
a framework that places the generalized insights of the
theory in a more specific contextual setting
Economic principle
a commonly held economic insight stated as a law or principle
Experimental economics
a branch of economics that studies the economy through controlled experiments
Theorems
propositions that are logically true based on the assumption in a model
Precepts
policy rules that conclude a particular course of action in preferable
Precepts
achieving a goal as cheaply as possible
Invisible hand theorem
a market economy, through the price mechanism,
will tend to allocate resources efficiently
Economic policies
actions (or inaction) taken by the government to
influence economic actions
Positive economics
the study of what is, and how the economy works
Normative economics
the study of what the goals of the economy should be
The art of economics (political economy)
the application of the knowledge learned in positive economics to achieve the goals one has determined in
normative economics
Production possibility curve (PPC)
also called the Production Possibility Frontier (PPF), a curve measuring the maximum combination of outputs that can be obtained from a given number of inputs.
Comparative advantage
better suited to the production of one good than to
the production of another good
Productive efficiency
achieving as much output as possible from a given
amount of inputs or resources
Inefficiency
getting less output from inputs that, if devoted to some other activity, would produce more
Laissez-faire
an economic policy of leaving coordination of individuals’ actions to the market
Globalization
the increasing integration of economies, cultures, and
institutions across the world
Law of one price
the wages of workers in one country will not differ
significantly from the wages of (equal) workers in another institutionally similar country
Institutions
the formal and informal rules that constrain human economic behavior
Market economy
an economic system based on private property and the
market in which, in principle, individuals decide how, what, and for whom to produce
Private property rights
the control a private individual or firm has over an
asset
Socialism
an economic system based on individuals’ goodwill towards others, not on their own self-interest, and in which, in principle, society decides what, how, and for whom to produce
Capitalism
an economic system based on the market in which the
ownership of the means of production resides with a small group of individuals called capitalists
Businesses
private producing units in our society
Entrepreneurship
the ability to organize and get something done
Consumer sovereignty
the consumer’s wishes determine what’s produced
Profit
what’s left over from total revenues after all the appropriate costs have been subtracted
Sole proprietorships
businesses that have only one owner
Partnerships
businesses with two or more owners
Corporations
businesses that are treated as a person, and are legally owned by their stockholders, who are not liable for the actions of the corporate ‘person’
Households
groups of individuals living together and making joint decisions
Macroeconomic externalities
externalities that affect the levels of unemployment, inflation, or growth in the economy as a whole
Public good
a good that if supplied to one person must be supplied to all and whose consumption by one individual does not prevent its consumption by another individual
Private good
a good that, when consumed by one individual, cannot be consumed by another individual
Demerit goods or activities
goods or activities that the government believes are
bad for people even though they choose to use the goods or engage in the activities
Merit goods or activities
goods or activities that government believes are
good for you even though you may not choose to engage in the activities or to consume the goods
Market failures
situations in which the market does not lead to the desired result
Government failures
situations in which the government intervenes and
makes things worse
Law of demand
quantity demanded rises as price falls, other things
constant. Quantity demanded falls as price rises, other things constant.
Global corporations
corporations with substantial operations on both the
production and sales sides in more than one country
Demand curve
the graphic representation of the relationship between price and quantity demanded
Quantity demanded
a specific amount that will be demanded per unit of
time at a specific price, other things constant
Demand
a schedule of quantities of a good that will be bought per unit of time at various prices, other things constant
Movement along a demand curve
the graphical representation of the effect
of a change in price on the quantity demanded
Shift in demand
the graphical representation of the effect of anything other than price on demand
Market demand curve
the horizontal sum of all individuals demand curves
Law of supply
quantity supplied rises as price rises, other things constant. Quantity supplied falls as price falls, other things constant.
Supply curve
the graphical representation of the relationship between price and quantity supplied
Supply
a schedule of quantities a seller is willing to sell per unit of time at various prices, other things constant
Quantity supplied
a specific amount that will be supplied at a specific price
Movement along the supply curve
the graphical representation of the
effect of a change in price on the quantity supplied
Shift in supply
the graphical representation of the effect of a change in a factor other than price on supply
Equilibrium
a concept in which opposing dynamic forces cancel each other out
Equilibrium quantity
the amount bought and sold at the equilibrium price
Equilibrium price
the price toward which the invisible hand drives the
market
Excess supply (surplus)
quantity supplied is greater than quantity demanded
Excess demand (shortage)
quantity demanded is greater than quantity
supplied
Fallacy of composition
the false assumption that what is true for a part will
also be true for the whole
Price ceiling
a government-imposed limit on how high a price can be
charged
Rent control
a price ceiling on rents, set by the government
Price floors
a government-imposed limits on how low a price can be
charged
Minimum wage laws
laws specifying the lowest wage a firm can legally pay
an employee
Excise tax
a tax that is levied on a specific good
Tariff
an excise tax on an imported good
Third-party-payer markets
a market in which the person who receives the
good differs from the person paying for the good
Price elasticity of demand
the percentage change in quantity demanded divided by the percentage change in price
Price elasticity of supply
the percentage change in quantity demanded divided by the percentage change in price
Elastic
the percentage change in quantity is greater than the percentage change in price (E>1)
Inelastic
the percentage change in quantity is less than the percentage change in price (E<1
Perfectly inelastic
quantity does not respond at all to changes in price (E=0)
Perfectly elastic
quantity responds enormously to changes in price (E=∞)