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Macroeconomics
Exam 1
105
Other
Not Applicable
02/09/2004

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Term
scarcity
Definition
the goods available are too few to satisfy individuals desires
Term
marginal cost
Definition
the additional cost to you over and above the costs you have already incurred
Term
sunk costs
Definition
costs that have already been incurred and cannot be recovered
Term
marginal benefit
Definition
the additional benefit above what you've already derived
Term
economic desicion rule
Definition
if the marginal benefits of doing something exceed the marginal costs, do it. if the marginal costs of doing something exceed the marginal benefits, dont do it
Term
TANSTAAFL
Definition
there aint no such thing as a free lunch
Term
oppurtunity cost
Definition
the benefit forgone by undertaking an activity
Term
economic forces
Definition
the necessary reactions of scarcity
Term
market force
Definition
an economic force that is given relatively free rein by society to work through the market
Term
invisible hand
Definition
the price mechanism, the rise and fall of prices that guides our actions in a market
Term
economic model
Definition
a framework that places the generalized insights of the theory in a more specific contextual setting
Term
economic principle
Definition
a commonly held economic insight stated as law or general assumption
Term
efficiency
Definition
achieving a goal as cheaply as possible
Term
invisible hand theory
Definition
a market economy, through the price mechanism, will tend to allocate resources efficiently
Term
microeconomics
Definition
the study of individual choice, and how that choice is influenced by economic forces
Term
macroeconomics
Definition
the study of the economy as a whole
Term
economic policies
Definition
actions (or inaction) taken by government to influence economic actions
Term
positive economics
Definition
the study of what is, and how the economy works
Term
normative economics
Definition
the study of what the goals of the economy should be
Term
art of economics
Definition
the application of the knowlege learned in positive economics to the achievement of the goals one has determined in normative economics
Term
law of demand
Definition
quantity demanded rises as price falls, other things constant
quantity demanded falls as price rises, other things constant
Term
demand
Definition
a schedule of quantities of a good that will be bought per unit of time at various prices, other things constant
Term
quantity demanded
Definition
a specific amount that will be demanded per unit of time at a specific price, other things constant
Term
movement along a demand curve
Definition
the graphical representation of the effect of a change in price on the quantity demanded
Term
shift in demand
Definition
the effect of anything other than price on demand
Term
shift factors of demand
Definition
society's income, the prices of other goods, tastes, expectations, taxes and subsidies to consumers
Term
economics
Definition
the study of how human beings coordinate their wants and desires, given the decision-making mechanisms, social customs, and political realities of the society
Term
three central problems facing any economy
Definition
1. what, and how much, to produce
2. how to produce it
3. for whom to produce it
Term
market demand curve
Definition
the horizontal sum of all indidvidual demand curves
Term
two phenomena the law of demand is based on
Definition
1. at lower prices, existing demanders buy more
2. at lower prices, new demanders enter the market
Term
law of supply
Definition
quantity supplied rises as price rises, other things constant
quantity supplied falls as price falls, other things constant
Term
supply curve
Definition
the graphical representation of the relationsip between price and quantity supplied
Term
supply
Definition
a schedule of quantities a seller is willing to sell per unit of time at various prices, other things constant
Term
quantity supplied
Definition
a specific amount that will be supplied at a specific price
Term
movement along a supply curve
Definition
the graphic representation of the effect of a change in price on the quantity supplied
Term
shift in supply
Definition
the graphic representation of the effect of a change in a factor other than price on supply
Term
shift factors of supply
Definition
price of inputs, technology, expectations, taxes and subsudies
Term
market supply curve
Definition
the horizontal sum of all individual supply curves
Term
two phenomena the law of supply is based on
Definition
1. at higher prices, existing suppliers supply more
2. at higher prices, new suppliers enter the market
Term
equilibrium price
Definition
the price toward which the invisible hand drives the market
Term
equilibrium quantity
Definition
the amount bought and sold at the equilibrium price
Term
equilibrium
Definition
a concept in which opposing dynamic forces cancel each other out
Term
excess supply (surplus)
Definition
quantity supplied is greater than quantity demanded
Term
excess demand (shortage)
Definition
quantity demanded is greater than quantity supplied
Term
fallacy of composition
Definition
the false assumption that what is true for a part will also be true for the whole
Term
real gross domestic product (real GDP)
Definition
them market value of final goods and services produced in an economy, stated in the prices of a given year
Term
business cycle
Definition
the upward or downward movement of economic activity, or real GDP, that occurs around the growth trend
Term
Keynesians
Definition
genearlly favor activist government policies
Term
Classicals
Definition
generally favor laissez-faire or nonactivist policies
Term
recesion
Definition
a decline in real output that persists for more than two consecutive quarters of a year
Term
depression
Definition
a large recession
Term
expansion
Definition
an upturn that lasts at least two consecutive quarters of a year
Term
four phases of the business cycle
Definition
1. peak
2. downturn
3. trough
4. upturn
Term
leading indicators
Definition
indicators that tell us what's likely to happen 12 to 15 months from now
Term
two frameworks
Definition
long-run and short-run
Term
short-run business cycle focuses on ________
Definition
demand
Term
long-run growth framework focuses on _______
Definition
supply
Term
unemployment rate
Definition
the percentage of people in the economy who aer willing and able to work but who are not working
Term
list five leading indicators
Definition
money supply, stock prices, interest rate speed, number of new building permits issured for private housing units, index of consumer expectations
Term
cyclical unemployment
Definition
unemployment resulting from fluctuations in economic activity
Term
structural unemployment
Definition
unemployment caused by the institutional structure of an economy or by economic restructuring making some skills obselete
Term
frictional unemployment
Definition
unemployment caused by new entrants into the job market and people quitting a job just long enough to look for and find another one
Term
target rate of unemployment
Definition
the lowest sustainable rate of unemployment that policymkaers beleive is achievable given existing demographics and the economy's institutional structure (somewhere around 5%)
Term
labor force
Definition
those people in an economy who are willing and able to work
Term
formula for finding the unemployment rate
Definition
divide number of unemployed individuals by the number of people in the work force
Term
labor force participation rate
Definition
measures the labor force as a percentage of the total population at least 16 years old
Term
employment rate
Definition
the number of people who are working as a percentage of the labor force
Term
potential output
Definition
the output that would materialize at the target rate of unemployment and the target rate of capacity utilization
Term
capacity utilization
Definition
the rate at which factories and machines are operating compared to maximum sustainable rate at which the could be used
Term
Okun's rule of thumb
Definition
a 1 percentage point change in the unemployment rate will be associated with a 2 percent change in output in the opposite direction
Term
inflation
Definition
a continual rise in the price level
Term
price index
Definition
a number that summarizes what happens to a weighted composite of prices f a sleection of goods (often called a market basket of goods) over time
Term
GDP deflator (gross domestic product deflator)
Definition
an index of the price level of agregate output, or the average price of the components in total output (or GDP), relative to a base year
Term
consumer price index (CPI)
Definition
measures the prices of a fixed basket of consumer goods, weighted according to each compontents share of an average consumer's expenditures
Term
personal consumption expenditure (PCE) deflator
Definition
a measure of prices of goods that consumers buy that allows yearly changes in the basket of goods that reflect actual consumer purchasing habits
Term
producer price index (PPI)
Definition
an index of prices that measures average change in the selling prices received by domestic prducers of goods and services over time
Term
real output
Definition
the total amount of goods and services produced, adjusted for price-level changes
Term
nominal output
Definition
the total amount of goods and services measured at current prices
Term
how do you find "real" amount
Definition
nominal amount divided by the price index
Term
expected inflation
Definition
inflation people expect to occur
Term
unexpected inflation
Definition
inflation that surprises people
Term
hyperinflation
Definition
when inflation hits triple digits
Term
national income accounting
Definition
a st of rules and definitions for measuring economic activity in the aggregate economy
Term
gross domestic product (GDP)
Definition
the total market value of all final goods and services produced in the economy in a one-year period
Term
gross national product (GNP)
Definition
the aggregate final output of citizends and buisnesses of an economy in a one-year period
Term
net foreign factor income
Definition
the income from foreign domestic factor sources minus foreign factor income earned annually
Term
two important aspects to remember about GDP
Definition
1. GDP represents a flow
2. GDP represents the market value of final output
Term
wealth accounts
Definition
a balance sheet of an economy's stock of assets and liabilities
Term
final output
Definition
goods and services puchased for final use
Term
intermediate products
Definition
products used as input in the production of some other product
Term
value added
Definition
the increase in value that a firm contributes to a product or service
Term
personal consumption expenditures
Definition
payments by households for goods and services
Term
gross private investment
Definition
business spending on equipment, structures, and incentories and household spending on new owner-occupied housing
Term
depriciation
Definition
the decrease in an asset's value
Term
net private investment
Definition
gross private domestic investment minus depreciation
Term
government purchases
Definition
government payments for goods and services and investment in equipment and structures
Term
net exports
Definition
exports minus imports
Term
net domestic product (NDP)
Definition
the sum of consumption expenditures, goverment expenditures, net foreign expenditures, and investment less depreciation
Term
formula for NDP
Definition
GDP minus depreciation
Term
formula for GDP
Definition
C+I+G+(X-M)
Term
personal income (PI)
Definition
national income plus net transfer payments from government minus amounts attributed but not received
Term
disposable personal income
Definition
personal income minus perosnal income taxes and other personal taxes
Term
nominal GDP
Definition
GDP calculated at existing prices
Term
real GDP
Definition
nominal GDP adjusted for inflation
Term
limitations of national income accounting
Definition
1. measurement problems exist
2. GDP measuers ecomomic activity, not welfare
3. subcategories are often interdependant
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