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Macroeconomics
chapter 1-5
44
Economics
Undergraduate 1
03/09/2010

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Term
economics
Definition
the study of how societies allocate resources in face of scarcity
Term
opportunity cost
Definition
the highest valued alternative not undertaken when a choice is made
Term
normative economics
Definition
statements that describe what ought to be
Term
positive economics
Definition
statements based on facts and are objective
Term
microeconomics
Definition
studies the choices individuals and firms make, the way these choices interact in markets, and the way governments influence choices and markets
Term
macroeconomics
Definition
studies the performance of the entire economy
Term
tradeoffs
Definition
to obtain more of something one must give up some of another thing
Term
scarcity
Definition
there are limited resources and as a result people must make choices
Term
choice
Definition
one must choose between one option and another
Term
factors of production/ resources
Definition
land, labour, capital, and entrepreneurship
Term
human capital
Definition
skill and knowledge of workers
Term
goods and services
Definition
what firms produce
Term
durable goods
Definition
are consumed over time..exceeding 1 year
Term
nodurable good
Definition
consumed when purchased
Term
production possibilities frontier
Definition
illustrates opportunity costs
are possible combination's of output
Term
principle of increasing cost
Definition
states that as production of one good expands the opportunity cost of producing another unit of this good generally increases
Term
productive efficiency
Definition
when the only way to produce more of one goods is to give up something else
Term
demand
Definition
exists when potential buyers want, can afford, and plan to purchase a good or service
Term
supply
Definition
exists when potential sellers have technology, resources and plans to produce and sell a good or service
Term
factors of demand
Definition
causes the demand curve to shift
1) price of substitutes P inc B D inc A
2) price of complements P inc B D dec A
3) income normal I inc D inc
4) income inferior I inc D dec
5) # buyers N inc D inc
6) preferences Fad D inc
7) expectations price P inc D inc
8) expectations income I inc D inc
Term
factors of supply
Definition
changes in these factors change the supply schedule
1) input prices Cost inc S dec
2) resource availability inc S inc
3) number of sellers N inc S inc
4) technology S inc
5) expected prices Pe inc S dec
6) related goods in production P(b) inc S(a) dec
Term
equilibrium
Definition
quantity demanded equals quantity supplied and thus the price is stable. no forces act upon the price
Term
law of demand
Definition
as price decreases quantity demanded increases and vice versa
Term
law of supply
Definition
cateris parabus, as the price of a good increases the greater the quantity demanded and vice versa
Term
nominal gross domestic product
Definition
refers to current prices and current quantities
SUM(P(t+1)*Q(t+1))-->calculates nominal GDP
Term
real gross domestic product
Definition
refers to constant prices and current quantities
SUM(P(ref point)*Q(t+1))-->real GDP calculation
Term
deflation
Definition
refers to a sustained decrease in the general price level
Term
inflation
Definition
refers to a sustained increase in the general price level
Term
economic growth
Definition
a permanent increase in a nations productive capacity
1) more resources
2) increase in productivity
Term
aggregate demand curve
Definition
the domestic product demanded at each price level
Term
aggregate supply curve
Definition
the domestic product produced by firms in an economy at each price level
Term
whats counted in GDP
Definition
1) finished goods (avoids double counting)
Term
whats not counted in GDP
Definition
1) intermediate goods (counted already in final goods)
2) transactions in used goods
3) transactions in financial instruments
4) underground economy transactions
5) homework (sitter, maid)
6) leisure
Term
finished goods
Definition
is consumed by the end user. intermediate goods are used to produce final goods
Term
when can GDP too high a measure
Definition
1) bads are counted too
2) ecological costs included in prices and not netted out
Term
when can GDP be too low a measure
Definition
1) valuation of longevity
2) leisure is not counted
3) barter and cash transactions
Term
opportunity cost formula
Definition
opportunity cost of programs
a) 1 prog, 9 shoes
b) 2 prog, 7 shoes
(9-7)/(2-1)= 2/1=2
Term
economic deflator
Definition
[(normal GDP(t+1))/(real GDP (t+1))]*100
Term
economic growth rate
Definition
[(real GDP(t+1)-real GDP(t))/(real GDP(t))]*100
Term
frictional employment
Definition
is unemployment associated with the changing of jobs in a changing economy
Term
full employment occurs when
Definition
1) there is no cyclical unemployment
2) there is only frictional and structural unemployment
3) the economy is at the natural rate of unemployment
Term
unemployment rate
Definition
unemployed+discouraged/population(working age)
Term
as the opportunity cost of a good decreases
Definition
people buy more of that good and also more of its complements
Term
allocative efficiency
Definition
An existing combination is allocative efficient if any other allocation makes one person better off and at least one person is made worse off
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