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ECON 201
Macroeconomics
86
Economics
Undergraduate 1
05/12/2012

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Term
Output (Y)
Definition
the total amount of goods and services produced by economy
Term
Unemployment Rate (UR)
Definition
the % of working age people who want a job, but don't have one
Term
Inflation rate
Definition
growth rate of price level
Term
1929 stock market crash
Definition
Result-Great Depression b/w 1929 and 1932
- Y in US decreases
- UR in US increases
-prices fall [deflation]
-wages fall as well, debts stay the same and can't be paid off
Term
1932 presidential election
Definition
-incumbent (Hoover)
-blamed for depression
-loses to Franklin D. Roosevelt
Term
1973 price of oil jumps
Definition
-oil producing countries embargo oil
-recession and inflation = stagnation
- Y decreases in 1974 and 75
-UR increases by 1975
-inflation = 9% in 1974,75
Term
1976 presidential election
Definition
- incumbent (Ford)
- loses to Jimmy Carter
- shows "misery index" at record high
Term
1979 geopolitical turmoil in Middle East
Definition
- another big oil price increase
- again, stagflation
- Y decreases in 1980
- UR increases
- inflation = 9% in 1980
Term
1980 presidential election
Definition
- incumbent (Carter)
-loses to Ronald Reagan
Term
1991 Pres. George Bush approval ratings
Definition
- economy slips into recession
- Y decreases in 1991, grows slowly in 1992
- UR increases in 1991, 92
- inflation, low
Term
Incumbent presidents
Definition
those running for re-election win if economy is in good shape, lose otherwise (look at Y, UR, and inflation)
Term
Nominal Gross Domestic Output (NGDP)
Definition
total value at current market prices of all final good and services produced domestically this period
Term
GDP includes:
Definition
1. only new goods and services produced this period, not used
2. only domestic output is included
3. only final goods and services are included, not intermediate
Term
equivalent measure
Definition
count all transactions, but include only "value added" at each step
[value added = sales price - prince of intermediate outputs
Term
categories of final transactions
Definition
1. consumption (C)
2. investment (I)
3. government (G)
4. exports (X)
Term
National Income Accounting Identity
Definition
GDP = Y = C + I + G + (X - M)
Y = C + I + G + Nx
Term
growth rate of real GDP (gRGDP)
Definition
growth rate nominal GDP - inflation rate
Term
RGDP for x (in base years)
Definition
NGDP (year x) - price index of base year/ price index year x
Term
RGDP
Definition
- corrects for P changes
- differences of RGDP over time reflect Q changes
- corrects NGDP for inflation
Term
per capita RGDP (PCRGDP)
Definition
RGDP/population
- best available measure of living standards, for comparisons over time or across countries
Term
non-market goods and services
Definition
- home production
- leisure time
- environmental quality
-underground economy
(not included in GDP)
Term
gross domestic product (GDP)
Definition
the total market value of a country's output only includes final goods and services produced within a given period of time in a country
Term
calculate GDP
Definition
for each product calculate P + Q, then sum up all final goods
Term
output's evolution over time
Definition
1. trend GDP smooth line/ curve through data
2. business cycle: fluctuations around trend
Term
booms
Definition
periods where actual Y > trend Y
Term
recessions
Definition
periods where actual Y < trend Y
Term
important recessions
Definition
- 1974-74 (stagflation)
- 1982-83 (Reagan/ Volker; man-made)
- 1991-92 (Bush)
- 2008-09 (largest since Great Depression)
Term
important booms
Definition
- mid-1960s
- mid-1980s
- mid-to-late 1990s
Term
contribution of component "x" to overall GDP growth
Definition
( growth rate of x) x (component x's share of Y)
Term
gPCRGDP
Definition
gRGDP - gPOP
Term
rule of 70
Definition
a way to estimate the number of years it takes for a certain variable to double
in order to estimate the number of years for a variable to double, take the number 70 and divide it by the growth rate of the variable
Term
employed
Definition
any job for pay
Term
unemployed
Definition
not employed, but actively seeking work
Term
not in labor force
Definition
not employed, not seeking work
Term
Headline unemployment rate (U-3)
Definition
UR = UNEMP/ EMP + UNEMP
= UNEMP/ "Labor Force"
Term
underemployment
Definition
involuntary part-time workers counted as "employed"
Term
discouraged workers
Definition
former unemployed who give up looking for work (reclassified as not in labor force)
Term
employment rate U-5
Definition
[UNEMP + Discouraged]
/(EMP + UNEMP + Discouraged)
Term
employment rate U-6
Definition
[UNEMP + Discouraged + Underemployed]
/ (EMP + UNEMP + Discouraged)
Term
frictional unemployment
Definition
temporary, voluntary UNEMP due to voluntary mobility
ex. moving, switching careers, new entry into labor force
Term
UR*
Definition
frictional UNEMP/(EMP + total UNEMP) x 100%
Term
countercyclical
Definition
rises during recessions, falls during booms
Term
cyclical unemployment
Definition
- cause by business cycle downturn
- involuntary job loss (unemployed until economy recovers)
Term
structural unemployment
Definition
- UR low skill > UR high skill
- involuntary long term unemployment
Term
potential GDP (Y*)
Definition
output society would produce if UR = UR* (full employment)
Term
GDP gap
Definition
Y* - actual Y
(how much Y is "lost" due to excessive UNEMP)
Term
Okun's Law
Definition
for every percentage point of actual UR above UR*, output will fall by approximately 2%
Term
GDP gap affect
Definition
1. unemployed lose income
2. everyone pays for UI
3. shareholders lose from lower dividends in recessions
Term
consumer price index (CPI)
Definition
measures aggregate inflation as a weighted average of inflation of many goods and services, with weights proportional to importance of each good/service in a typical household's budget
Term
(level of)CPI in year x
Definition
P(basket)year x/ P(base year)x 100%
Term
issues with CPI
Definition
1. only tracks inflation experienced by "typical" households
2. substitution bias
3. quality change
Term
substitution bias
Definition
assumes that the basket of goods is held fixed over time, even as relative prices change
Term
quality change
Definition
in most cases CPI considers only "raw" price changes but goods change in quality over time
Term
real interest rate (r)
Definition
percentage difference between repayment and principal purchasing power terms
(r = i(nominal interest rate) - inflation)
Term
Fisher equation
Definition
nominal interest rate = real interest rate + expected inflation
(r = i + E[inflation])
Term
zero lower bound
Definition
If Eπ < 0, then r = 0 – Eπ (deflation rate)
Term
costs of inflation
Definition
1. inflation erodes real wages (false)
2. inflation helps borrowers at expense of lenders (false if inflation is expected)
Term
true costs of inflation
Definition
1. inflation tax
2. menus/ shoeleather costs
Term
inflation tax
Definition
all inflation, anticipated or otherwise, reduces value of cash
Term
menu/ shoeleather costs
Definition
real resource cost spent coping with inflation, businesses have to change prices more frequently and people spend more time shopping for bargains and going to bank when inflation is high
Term
hyperinflation
Definition
very high and accelerating inflation
inflation > 100% per year
Term
cause of hyperinflation
Definition
proximate cause: money supply grows too quickly
underlying cause: government prints money to cope with chronic large BD
Term
budget deficit (BD)
Definition
government spending > revenues
Term
production possibilities frontier (PPF)
Definition
social graphic representation of economy's resource/ technological capabilities
Term
point on PPF
Definition
shows maximum amount of Y that society can produce at a point in time, given amount of leisure time society consumes at any point in time, there is a trade-off between producing more output and enjoying more leisure time
Term
point inside PPF
Definition
represents inefficient outcomes
Term
shifts in PPF
Definition
represent changes to resources/ technology
- favorable changes-shifts out
- unfavorable changes-shifts in
Term
classical view of business cycles
Definition
1. free market economy will always reach some point on PPF for every person
2. business cycles driven by supply shocks to ability/ willingness of society to produce output
3. booms/recessions are not caused by changes in AD
4. no role for govt. intervention to stabilize business cycles
Term
Say's Law
Definition
supply creates its own demand
- if workers/firms are willing and able to make a certain Y, there will automatically be enough demand to buy that level of Y
Term
keynesian model of business cycless
Definition
1. no technology/resource constraints
2. business cycles caused by AD shock: shocks to firms' ability to sell Y
3. role for govt to intervene in stabilization policy, govts can and should fight recessions
Term
wealth
Definition
= value of assets - value of liabilities
= (what you own) - (what you owe)
Term
saving
Definition
amount by which wealth changes over the period
Term
types of AD
Definition
1. "output-driven" expenditure
2. "autonomous" expenditure
Term
"output-driven" expenditure
Definition
the part of AD that is directly influenced by how much Y firms make
(= MPC x (1 - t)Y)
Term
"autonomous expenditure
Definition
component of AD that is not directly determined by how much Y firms make
(= A + MPC x TR + I + G + Nx)
Term
determinants of A
Definition
1. consumer confidence
2. real household wealth
Term
consumer confidence
Definition
optimism/pessimism about future income prospects
Term
what affects wealth
Definition
1. state of asset markets
2. price level for inflation
Term
home equity
Definition
value of house - outstanding mortgage
part of household's wealth or net worth
Term
determinants of I
Definition
1. investor confidence
2. real interest rate
high r - low I
low r - high I
Term
determinants of Nx
Definition
1. business cycles overseas
2. competitiveness: the relative price of domestic output vs. foreign
Term
what affects competitiveness
Definition
1. domestic inflation
2. foreign inflation
3. exchange rate b/w dollars, foreign currency
Term
multiplier
Definition
changes in autonomous expenditure
1 / 1 - MPC x (1 - t)
Term
Budget Deficits
Definition
G + TR - tY
Term
expansionary fiscal policy
Definition
G increases, TR increases, t decreases
Term
contractionary fiscal policy
Definition
G decreases, TR decreases, t increases
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