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Macro-Econonmics
final exam review
148
Economics
Undergraduate 4
12/15/2010

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Term
real GDP per person
Definition
best measure of wealth, standard of living, determined by productivity of workers, key determinant of living standards--> we live better than Africans b/c we are more productive than them
Term
productivity
Definition
quantity of goods and services from each unit of labor
Term
How is productivity determined?
Definition
production function and other things
Term
production function
Definition
Y = A*F (L,K,H,N)
Y- quantity of output
l- labor
k-physical capital
h-human capital
natural resources
a- technology
Term
diminishing returns
Definition
as inputs increase, their outputs increase... only up until a point, then they stop growing as much
Term
graph the production fuction
Definition
slide 12 in IVA
Term
labor L
Definition
human effort (mental and physical) required to produce goods and services

measured in number of workrs or total number of hours worked
Term
human capital per worker H
Definition
knowledge and skill that workers acquire through education, trianing, and experience
requires inputs like teachers, libraries, time studying
most important source of long run economic growth
Term
physical capital per worker K
Definition
stock or equipment and structures that are available to produce goods and services
tools, more advanced tools are more effective- can also include technology infrastructure
Term
natural resources N
Definition
provided by nature- renewable and nonrenewable
NOT necessary for economy to be highly productive, Japan has few natural resources
Term
technological knowledge A
Definition
society's understanding of best way to produce goods and services- when the assembly line was invented, this was spread to everyone
Term
difference between technological knowledge and human capital
Definition
human capital resources expended to transmit understanding of labor force, and technological knowledge is understanding about how the world works
Term
how to increase output per person
Definition
productivity must rise
increase in population will increase total output, ALSO puts additional demands on the economy
because of diminishing returns, demands typically exceed each additional output and per capita consumption falls
Term
per capita production function
Definition
Y/L --> output per worker, productivity
K/L--> physical capital per worker
also H/L, N/L, etc.
Term
what does productivity depend on?
Definition
physical and human capital per worker and technological knowledge
Term
ways the government can raise productivity (6 ways)
Definition
1. promote savings and investment
2. promote education and training
3. encourage research and development
4. encourage international trade and investment
5. define and enforce or protect property rights
6. maintain political stability
Term
savings and investment for productivity
Definition
invest resources into the production of new goods
requires funds finance the purchases of capital goods
domestic savings--> higher saving rate leads to a higer level of productivity and income
Term
education and training for productivity
Definition
education is at least as important as investment in physical capital--> providing schools
positive externalities--> everyone can benefit from one person's good idea
brain drain--> highly skilled workers going to higher paying jobs
Term
research and development for productivity
Definition
higher standards of living
research grants, tax breaks, patent system
government-usually basic science
firms- development and commercialization
Term
international trade and investment for productivity
Definition
way for other countries to obtain technology and its benefits
technology can be embodied in goods or can be obtained as input services
trade encourages domestic dissemination of new technology
alternative source of funds
foreign direct investment, foreign portfolio investment
Term
foreign direct investment
Definition
capital investment owned and operated by a foreign entity
Term
foreign portfolio investment
Definition
investment financed with foreign money but operated by domestic residents
Term
effect of investment from abroad for productivity
Definition
foreign direct investment and foreign portfolio investment, BOTH cases America takes back money as a profit- raises GNP for country that is invested in
Term
define and enforce property rights productivity
Definition
ability of people to exercise authority over the resources they own--> important for price system to work
right to contract and private property, including intellectual property

right to ownership and disposal- right to cosume, sell, transfer, exchange, and asset

communist countries- less incentive to invest in new business because property rights are less secure

right to compensation for public taking
Term
maintain political stability for productivity
Definition
political rights will hold into the future
investors need to feel like their investments are safe
encourage entrepeneurship
Term
letters of the production function and things goverments can do
Definition
investment from abroad- K and K/L
education- H and H/L
property rights and political stability- A, K, H, H/L, K/L
free trade- A, K, H/L, H, K/L
Term
money
Definition
set of assets in an economy that people regularly use to buy good and services from other people
Term
3 functions of money
Definition
medium of exchange
unit of account
store of value
Term
money as a medium of exchange
Definition
items that buyers give to sellers to purchase stuff
barter economy, use goods to buy goods
eliminates the double coincidence of wnats
Term
money as a unit of account
Definition
yardstick people use to post prices and record debts
"hamburger costing 5 pencils"
makes these comparisons easy
Term
money as a store of value
Definition
item that people can use to transfer purchasing power for the present or the future
money today will buy something tomorrow
money is more liquid than stock
Term
liquidity
Definition
easy with which an asset can be converted
Term
kinds of money (3)
Definition
commodity money
fiat money
depository money
Term
commodity money
Definition
money that takes the form of a commodity with intrinsic value
gold, cigarettes, etc.
Term
fiat money
Definition
no value besides monetary, valuable b/c of government decree
Term
depository money
Definition
money that is created by banks in the forms of checks
Term
money stock
Definition
total available supply of money in the economy, monetary supply
Term
what does money supply include?
Definition
paper currency
demand deposits
M1
M2
missing currency- in the hands of criminals or held abroad
Term
demand deposits
Definition
balances in bank accounts that can be accessed on demand
Term
M1 account
Definition
includes less stuff than M2
demand deposits
travelers checks
other checkable deposits
currency
Term
M2 account
Definition
M1
money market funds
savings deposits
small time deposits
Term
the Fed
Definition
central bank for overseeing banking system and regulating quantity of money
Term
jobs of the fed
Definition
regulate banks and ensure health of the system
control money supply
Term
how does the fed regulate banks?
Definition
clears checks
bank for banks
lender of the last resort
Term
how does the fed control the money supply?
Definition
monetary policy through FOMC
Term
FOMC (federal open market committee)
Definition
increase/decrease dollar through the sale of US government bonds
to increase money- creates dollars and uses them to buy bonds from public (puts dollars in the hands of the public)
decrease money supply- sells bonds from portfolio to public, less dollars in the hands of the public
Term
reserves in banks
Definition
deposits that banks have received but have not loaned
if all deposits are held than they have 100% reserve bankings
Term
T account
Definition
simplified accounting system that shows changes in a bank's assets (left side) and liabilities (right side)

reserves and deposits should be equal

if banks hold all deposits in reserve, banks do not influence the supply of money
Term
fractional reserve banking
Definition
banking system in which banks hold only a fraction of deposits as reserves
Term
reserve ratio
Definition
fraction of deposits that banks hold as reserves

required reserves/deposits
Term
reserve requirement
Definition
minimum that banks must hold
may hold excess reserves to ensure that they don't run out of cash
doesn't change liabilities, just breaks it up

RR%*deposits
Term
excess reserves
Definition
total reserves-required reserves
Term
money multiplier
Definition
amount of money the banking system generates with each dollar of reserve

ex. $100 loaned throughout banks turns in $1000

reciprocal for the reserve rations--> if the reserve ratio is 1/10, then the muliplier is 10/1--> MM = 10, means each dollar would generate $10

higher the reserve ration, the less of each deposit banks loan out and the smaller the money multiplier
Term
structure of the federal reserve
Definition
board of 7 governors
FOMC- 7 govs, NY Fed Prez, 4 other Prez
reserve banks (12 prez)
Term
Fed tools for controlling money supply
Definition
setting reserve requirements
setting discount rate
open market operations
Term
fed tools- open market operations
Definition
purchase and sale of goverment bonds (to control money supply)
sell bonds to reduce money supply- often used because it is easy
Term
fed tools- reserve requirement
Definition
regulations on the minimum amounts of reserves that banks must hold
INCREASING reserve req means banks must hold more reserves and can loan out less of each dollar than deposits--> decreases money supply
changes used less b/c it disrupts banking
Term
fed tools- discount rate
Definition
interest rates on loans the fed makes to banks
banks must borrow from the fed when it has too few reserves to meet requirements (too many loans)
higher rates discourage banks from borrowing reserves from red--> reduces quantity of reserves in banking system, reduces money supply

lower discount rate encourages borrowing and increases money supply
Term
things the fed can't control
Definition
amount of money that houses choose to hold as deposits in banks---> more currency people have, less in banks

can't control amount that bankers choose to lend
Term
open market sale
Definition
when fed wants to decrease money supply, needs to sell bonds to banks
Term
organization of firms
Definition
sole proprietership, partnership, corporation
Term
sole proprietership
Definition
one person owns
Term
partnership
Definition
owned jointly by two or more
Term
corporation
Definition
its own legal entity, can issue stock
structure- owners are shareholders, hire a board of directors/ CEO
principle- agent pgorlem
Term
why firms borrow
Definition
cover operation expenses
expand operations
Term
households in financial market
Definition
save money after taxes, goes into the banks
provide labor
wealth--> accumulated savings and endowments
Term
financial markets
Definition
institutions through which savers can directly provide funds to borrowers
Term
bond
Definition
certificate of indebtedness
Term
bond characteristics
Definition
maturity date
term
par value
bond price
Term
maturity date
Definition
when the principle of the bond must be repaid
Term
term
Definition
time to maturity
Term
par/face value
Definition
amount repaid at maturity
Term
bond price
Definition
what the bond is currently selling for
Term
credit risk
Definition
probability that borrower will fail to pay some of the interest or principle
Term
tax treatment
Definition
the way that tax laws treat the interest earned on bonds
Term
municipal bonds
Definition
bond owners not required to pay federal income tax on interest income
Term
bond interest rates
Definition
risky bonds- high interest rates
safe bonds (government) low interest rates
Term
how financial markets facilitate flow of funds
Definition
organized trading
info sharing
risk evaluation
monitoring
risk pooling
Term
direct finance
Definition
funds go directly from savers to borrowers through the fin. market
Term
indirect
Definition
go from savers through a third party, like bank or pension fund
Term
owning stock
Definition
partial ownership in firm, claim to profits that firm makes
Term
equity finace
Definition
sale of stocks to raise money
Term
debt financing
Definition
sell of bonds to raise money
Term
financial intermediaries
Definition
institutions where savers can indirectly provide funds to borrowers

banks- better for businesses, medium of exchange through checking
mutual funds- sell shares to the public and use proceeds to buy portfolio of various stocks, help people with small amounts of money to diversify,benefit of a financial expert
Term
gdp equals
Definition
total income and expenditure
Term
four components of GDP
Definition
consumption c
investment i
government purchases g
net exports nx (except in closed economy)
Term
savings =
Definition
investments
Term
private savings =
Definition
gdp - taxes- consumption
Term
national savings =
Definition
gdp - consumption - government spending
Term
public savings
Definition
tax-government spending
when t is greater than g, surprlus, vice versa is deficit
Term
disposable income
Definition
gdp - taxes +transfer
Term
how is investment related to interest rate?
Definition
inversely related
Term
market for loanable funds
Definition
market in which those who want to save supply funds and those who want to borrow demand funds
Term
loanable funds
Definition
all income people choose to be saved
Term
supply and demand in market for LF
Definition
savings is source of supply
investment is source of demand

as interest rates rise, quantity of loans demanded decreases
Term
loanable funds market graph
Definition
last slide in IIIA part 2
Term
savings incentives
Definition
less taxation, increase supply of LF
Term
investment incentives
Definition
tax credits, give money to firms putting in new stuff
more investment increases demand, higher interest rates
Term
government deficits/surplus and LF
Definition
deficit- less savings, supply decreases, increase interest rates
surplus- increases supply of LF, interest rates decrease
Term
debt financing of war
Definition
allows government to keep tax rates smooth over time, shifts cost of war to future generations
Term
present value, time value function
Definition
amoutn of money today that would be needed to produce given future amount of money
KNOW interest rate and times compounded
Term
present value formula
Definition
(1+r) * PV
r- interest rate
# of years
Term
future value formula
Definition
X/(1+r)^n
Term
risk aversion
Definition
dislike of uncertaity
concept of utility- the more wealth you have, the more you can absorb
why people buy insurance- spreading risk
Term
insurance issues
Definition
adverse selection, moral hazard
Term
diversification of stocks
Definition
reduces reisk
risk measured by portfolio
standard deviations
more stocks = less risk
only eliminates firm specific risk NOT market risk
Term
standard deviation
Definition
how likely a stock is to vary in value
higher SD = more risk
Term
how to select a portfolio
Definition
expected return, risk, and liquidity
Term
finding expected return
Definition
expressed as %change in value, can be affected by taxes and inflation

ER= sum of possible returns x probability
Term
philosophies of asset market determination
Definition
fundamental analysis
efficient market analysis
market irrationality
Term
fundamental analysis
Definition
asset value determined by economic fundamentals underlying the asset- look at a companies product, see if stock ins under/over valued then buy/sell
Term
efficient market analysis
Definition
asset prices reflect all publically available information
random walk, changes are impossible to predict
smart people have done their jobs
Term
market irrationality
Definition
asset price determination is psychology
no way to logically predict sotck
Term
coupon bond
Definition
bond that pays a set amount or "coupon payment" periodically until maturity
Term
discount bond
Definition
bond makes no payment but sells for less than par value
Term
net exports
Definition
value of nations exports minus value of imports
Term
trade balance
Definition
value of nations exports minus value of imports
balanced trade --> exports equal imports
Term
net capital outflow
Definition
difference between purchase of foreign assets by domestic residents and purchase of domestic assets by foreign
Term
foreign direct investment
Definition
US buying a company in Russia
Term
net capital outflow =
Definition
new exports
Term
direct terms
Definition
foreign/domestic
Term
indiect terms
Definition
domestic/foreign
Term
appreciation
Definition
domestic units worth more than foreign
Term
deprecitation
Definition
domestic worth fewer than foreign
Term
supply in foreign ex
Definition
importers give dollars
savers who want to buy foreign assets supply dollars
Term
demand in fex
Definition
exporters demand dollars, foreign savers buy domestic assets
Term
nominal exchange rate
Definition
trading ratio for two country's currencies
Term
real exchange rate
Definition
ratio for two counrty's goods
Term
calculating real exchange rate
Definition
nominal currency rate x (price domestic/price foreign)
Term
balance of payments
Definition
current account
capital/financial account
Term
current account
Definition
net exports/imports
net factor payments- flow of earnings b/t domestic and ROW
unilateral transfers
Term
capital account
Definition
financial inflows and outflows
one way transfers of assets
Term
unemployed
Definition
16, not institutionalized, able to work, NOT seeking employment
Term
labor force participation rate
Definition
labor force/population
Term
unemployment rate
Definition
umemployed/labor force
Term
employment ratio
Definition
employed/adult population
Term
frictional unemployment
Definition
temporary, inevitable
first time job search
short, interviewing
Term
structural
Definition
changes in ecnonomy like technology
mismatch of skills and job demands
long
Term
cyclical
Definition
shortage of jobs, low economic activity
unemployed workers will work at whatever wage is offered
Term
CPI
Definition
cost of basket = current year/base year x 100
Term
inflation rate
Definition
CPI1-CPI2/ CPI2
Term
real inflation rate
Definition
nominal rate-inflation
Term
real GDP
Definition
current quantity w/ base year prices
Term
nominal GDP
Definition
current quantities x current prices
Term
positive analysis
Definition
this is what things are like
Term
normative analysis
Definition
this is what we should do about it
Term
review CFM
Definition
CFMMM
Term
steps of the financial crisis
Definition
1. government created Fannie and Freddie. private financial firms offered mortgage-backed securities, like those offered by FanFred-->collateralized debt problem. Issuers of mortgages no longer held them... principle/agent problem b/t investors and originators.
led to lower lending standards--> sub-prime mortgage
2. lots of house flipping, people taking out mortgages they couldn't afford
3. growth in financial derivatives market. lots of credit default swaps, increased leverage by financial firms.
4. houses reduced savings and increased borrowing, increased leverage by households

housing prices stopped rising and people began defaulting on their mortgages
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