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Macro Eco Paal UT Lectures 21-25
Bubble it in
94
Economics
Undergraduate 3
03/29/2010

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Term
What is commodity money?
Definition
objects used as money, with intrinsic value. ex: gold, silver, cigarettes
Term
What is fiat money?
Definition
objects used as money, without intrinsic value. ex: electronic entries, useless paper, dollars, Euros, "Ithica hours"
Term
What does fiat mean?
Definition
an arbitrary decree or pronouncement. created by government/king, but in our use doesn't have to be
Term
Does fiat or commodity money cost more?
Definition
commodity money has an opportunity cost (rare minerals/metals), while fiat money is chosen because it is cheap
Term
Fiat money supply has a relatively low...
Definition
maintenance/opportunity cost
Term
High inflation is caused directly by...
Definition
high rates of money growth
Term
Under a commodity money system, how is the money supply kept in control?
Definition
the production cost of the commodity used for money
Term
Uder a fiat money system, is the money supply kept in control like a commodity money system is?
Definition
no, cost of producing money is cheap
Term
Why would a country anchor their currency to another's?
Definition
The other country would have a stable currency, so their currency would have a more consistent value and not be as susceptible to inflation
Term
What are three ways of anchoring a country's currency?
Definition
(1) fixed exchange rates, (2) currency boards, (3) dollarization
Term
What is the other option other than anchoring a country's currency (the way the US does it)?
Definition
floating exchange rates, basically the country makes the value
Term
What is dollarization?
Definition
using another country's currency directly - like using a commodity, taking a real resource to produce the currency
Term
What are fixed exchange rates?
Definition
allows fixed-rate conversion of a currency to gold or US dollar, but this has problems with credibility of the origin and converting currency
Term
What are currency boards?
Definition
fixed exchange rate to currency/gold/reserves, with close to 100% backing by what the country actually HAS (no credibility problems)
Term
What is the Money Supply in a currency-only economy?
Definition
M=BASE
Term
What is the Money Supply in a fractional reserve banking economy?
Definition
M=mm*BASE, where mm=(cu+1)/(cu+res), where cu=CU/DEP and res=RES/DEP
Term
Who determines the BASE? What is the BASE?
Definition
BASE is determined by the central bank, and is currency+reserves
Term
Who determines CU? What is CU?
Definition
CU (and therefore "cu") is determiend by the nonbank public. It is currency.
Term
What is "cu"?
Definition
CU/DEP
Term
What is "res"?
Definition
RES/DEP, or the reserve requirement
Term
Who determines RES? What is RES?
Definition
RES is determined by the banking sector. It is reserves. RES=vault cash+loans from other banks or lending institutions
Term
Who controls reserve requirements?
Definition
Banking sector, partially the Fed ("res" is this requirement)
Term
What are some of the monetary policy tools of the Fed?
Definition
changing the monetary base, reserve requirements (from the banking sector), and discount window lending
Term
How does the Fed get to "intermediate" monetary policy targets (like small changes)?
Definition
changing their interest rate to spur or supress borrowing, suppress or spur lending
Term
During the Great Depression, "cu" did what? Why?
Definition
went up until the band holiday, then went back down after people began to trust the banks again
Term
During the Great Depression, "res" did what? Why?
Definition
continued to go up, had to in order to prevent bank runs in the future
Term
During the Great Depression, "mm" did what? Why?
Definition
declined, because of bank panics, which caused mistrust
Term
During the Great Depression, "BASE" did what? Why?
Definition
increased steadily, because Fed wanted to try to keep the money supply up
Term
During the Great Depression, "M" did what? Why?
Definition
decreased sharply, until bank holiday, then began to increase
Term
If the Fed is selling assets to open market, it is trying to _______ the economy in a __________ policy move.
Definition
contract, contractionary
Term
If the Fed is purchasing assets in open market, it is trying to ______ the economiy in a __________ policy move.
Definition
expand, expansionary
Term
A contractionary policy move by the Fed is usually recognized by...
Definition
the Fed selling assets to open market
Term
An expansionary policy move by the Fed is usually recognized by...
Definition
the Fed buying assets on the open market
Term
The effect of a contractionary or expansionary policy move by the Fed can be found by...
Definition
mm*(change in the BASE)=(change in M)
Term
What is Money supply the addition of?
Definition
deposits from the public + currency
Term
Why do banks reloan out money?
Definition
opportunity cost of holding reserves, incentive to economize them
Term
Reserve ratios today are...
Definition
phased out/lowered, but banks hold excess reserves anyway
Term
The Fed must pay interest on reserves now, at a rate of .25%, which means..
Definition
institutions that get money from them have the cost added to the money they keep in reserves, which is an incentive to just leave it at the Fed and not lend it out
Term
What is Discount Window Lending?
Definition
allows certain institutions to borrow directly from the central bank, due to external or internal temporary and extreme losses of liquidity.....Fed is "lender of last resort"
Term
One large condition that the institution must accept to get Fed money is...
Definition
Fed supervision
Term
What is the Fed funds rate?
Definition
rate at which banks lend money to each other
Term
What is the discount rate, or interest rate?
Definition
the rate at which Fed lends to banks
Term
Until 2003, Fed funds rate was lower or higher than discount rate?
Definition
higher
Term
After 2003, the Fed funds rate was lower or higher than discount rate?
Definition
lower
Term
What are two types of loans via the Fed that a bank can get since 2003?
Definition
primary credit discount loan, secondary credit discount loan
Term
A primary creidt discount loan has
Definition
a lower rate, no supervision
Term
A secondary credit discount loan has
Definition
a higher rate, supervision
Term
Why did policy change in 2003 to lower the Fed funds rate?
Definition
Fed wanted to regain position as lender of last resort, and smooth fluctuations in federal funds rate
Term
Nominal money demand is proportional to...
Definition
the price level
Term
Real money demand depends on...
Definition
GDP (positively correlated, more transactions needs more money), Nominal interest rate (negatively correlated, opportunity cost of holding money), elasticities of L(Y, i)
Term
Velocity is another way to look at...
Definition
money demand
Term
What is velocity?
Definition
the flow of transactions over a time period, with a stock of nominal money
Term
Velocity is the measure of...
Definition
how many transactions (over a period) can be conducted with one unit of money
Term
Transactions velocity, Vt=
Definition
nominal transactions / nominal money supply, or (P*TR)/M.....units are transactions/year...
Term
Income velocity, V=
Definition
nominal GDP / nominal money supply, or (P*Y)/M...units are transactions/year....
Term
What is the quantity equation?
Definition
MV=PY, or (money supply)*(avg # transactions)=nominal GDP=(Price)*(avg income)
Term
What does the quantity equation give?
Definition
nominal GDP
Term
Nominal money demand tells us...
Definition
how many dollars people want to hold to conduct transactions per year
Term
Velocity tells us...
Definition
how many times per year they want to use the dollar
Term
(1/V) is the average...
Definition
amount of time each dollar is held (in terms of percent of a year) before it is transacted or spent
Term
Velocity is roughly constant when...
Definition
transaction technologies do not change much
Term
Ld (with the d in Ld superscript) means...
Definition
money demand
Term
Equilibrium in the money market has..
Definition
money demand = money supply
Term
Since (Ld)=M/P=Y/V at equilibrium in the money market, Ld must simplify to equal...
Definition
(Ld)=kY, since 1/V is a consant
Term
If velocity is constant, or k=1/V, then the elasticity of money demand with respect to income is...
Definition
1
Term
If velocity is constant, or k=1/V, then the elasticity of money demand with respect to interest is...
Definition
0, or zero
Term
Money supply, or Ms, will equal..
Definition
P*L(Y,i), or the price*elasticities of labor and nominal interest
Term
What happens when Ms does not equal P*Ld (or Md), or money supply does not equal money demand?
Definition
means another market is out of equilibrium
Term
What happens in the classical view when Ms>P*Ld?
Definition
if good market out of equilib., it means goods demand>goods supply, so good prices will be bid up. if non-monetary asset market out of equilib., non-monetary goods>supply, r down initially, but goes back up to original as goods market has prices go up
Term
What happens when Ms>P*Ld in the Keynesian view?
Definition
goods market out of equilib., it means goods demand>goods supply, so firms simply hire more people to meet this new demand without changing the real wage
Term
In a broader sense, V is not constant, as depends on...
Definition
transaction technologies, which are exogenous to monetary policy
Term
V not constant means that a change in M must cause...
Definition
a change in P, Y, or both (money velocity does not usually stay constant)
Term
When is velocity being exogenous not a good assumption?
Definition
hyperinflation - velocity up, money demand falls, stabilization, velocity down, money demand up
Term
When have changes in velocity and money demand driven monetary policy?
Definition
Y2K, Chinese New Year
Term
It is not a good assumption to assume velocity is exogenous (determined by transaction technologies) because...
Definition
money has an asset aspect that velocity must take into account
Term
There was a spike in currency growth in the US during
Definition
Y2K
Term
In Hong Kong, money growth spikes at the beginning of the year because of...
Definition
Chinese New Year (v up because people giving it so much, Md up because a lot of people getting it to give it)
Term
After WW2 in Hungary, due to hyperinflation, money velocity went __ and money demand ___
Definition
v up (people trying to get rid of it) and money demand down
Term
For banks, reserves + loans =
Definition
deposits + capital (i think this is vault cash)
Term
What is "asset transformation"?
Definition
this is taking deposits to buy other assets, which is the point of the bank
Term
What is the Diamond-Dybvig Model?
Definition
Says that banks insure investors against random liquidity shocks, have liquid liabilities and still hold assets as part-illiquid
Term
An impatient investor withdraws..
Definition
early
Term
Under the Diamond-Dybvig Model, what does the bank do?
Definition
Takes all investments from investors, knowing what the population will need as a whole, and invests accordingly (with the individual investors not knowing until they withdraw)
Term
If a patient investor gets worried when other investors start withdrawing, what can be created?
Definition
a bank run, where everyone withdraws their money early
Term
If a bank run occurs, the bank will quickly become...
Definition
insolvent (i.e., deposits>assets)
Term
A bank run will occur if enough...
Definition
individual investors expect a bank run
Term
What are some ways banks/policymakers can quell bank run fears?
Definition
suspend convertibility of deposits, reserve requirements, deposit insurance from the Fed
Term
Leverage ratio is...
Definition
assets/capital
Term
High leverage means a bank is...
Definition
under-capitalized, means new worth can fluctuate very easily with a change in asset value
Term
Low leverage ratio means a bank is...
Definition
over-capitalized
Term
Reasonable leverage ratio means a bank is...
Definition
adequately-capitalized
Term
"Limited liability" allows owns of companies to..
Definition
walk away from negatively valued assets in bankruptcy, encourages entrepreneurship in economy
Term
Leverage ratios in banks are usually...
Definition
quite high...
Term
Highly leveraged firms (aka lots of deposits) are prone to..
Definition
excessive risk-taking because of so much opportunity cost of holding those deposits and not a lot of assets
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