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Intermediate Micro Midterm #1
L
58
Economics
Undergraduate 3
03/07/2017

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Cards

Term
GDP
Definition
Consumption + Investment + Govt Spending + (Exports - Imports)
C+I+G+(X-Imp)
Term
Consumption
Definition
C
goods and services purchased by consumers
C=C(Yd)
+
Term
Investment
Definition
I
Firms purchase of goods that raise output
Function of the interest rate i
_
I=I = Investment is a given
Term
Government Spending
Definition
G
goods and services by federal, state and local governments
Term
Equilibrium in the Goods Market
Definition
Production = Demand
Y=Z - equilibrium condition
Term
Inventory Investment
Definition
Production - sales
Term
Yd
Definition
disposable income
Income - Taxes
(Y-T)
Term
Endogeneous Variable
Definition
dependent variable explained in the model
Term
Exogenous Variable
Definition
Variables taken as a given in the model
Term
Fiscal Policy
Definition
T & G - chosen by the government
Term
C (expanded)
Definition
c0 (y intercept) + c1 (perpensity to consume)*Yd(disposable income)
c0+c1(YD) = c0+c1(Y-T) [image]
Term
Expanded Output Formula when I is a given
Definition
_
Y=c0+c1(Y-T)+I+G
_
Y=c0+c1Y-c1T+I+G
_
(1-c1)Y=c0+-c1T+I+G

1
---- _
Y=(1-c1)c0+-c1T+I+G

1/(1-c1 )= money multiplier[image]
Term
Autonomous Spending
Definition
Demand for goods that does not depend on output
Term
Money Multiplier
Definition
multiplies autonomous spending
Term
Private Savings
Definition
S
Savings by consumers
Disposable Income - Consumption
Yd-C= (Y-T)-C
Term
Public Savings
Definition
Government Savings
(T-G)
Term
Budget Surplus
Definition
T>G
Term
Budget Deficit
Definition
T
Term
IS Relation
Definition
Equilibrium in the goods market
Investment = Savings
Production =Demand
Term
Money vs Bonds
Definition
Money (currency & checkable depositis)
used for transactions
pays 0 interest

Bonds
positive interest rate (i)
cannot be used for transactions
Term
Money Market Funds
Definition
put together peoples funds and use them to buy bonds

interest is slightly below the interest of a bond
Term
Demand for Money
Definition
Md=$YL(i)
-
overall level of demand in the economy and the interest rate
increase in interest rate leads to a decrease in a consumers need to hold money [image]
Term
Money Supply
Definition
Md=M
Central bank supplies a certain amount of money dependent on the interest rate
Term
Equilibrium in the Financial Market
Definition
Md=Ms
M=$YL(i)
[image]
Term
Movement between Md curve and Ms curve
Definition
When in equilibrium, an increase in nominal demand increases the interest rate, offsetting both changes and keeping the economy in equilibrium
[image]
An increase in money demanded leads to an decrease in interest rates, thus creating a new equilibrium
[image]
Term
Open Market Operations
Definition
central banks ability to buy bonds by printing off more money and raising the Ms
sell bonds to remove the bonds from the open market and decrease the Ms
Term
Expansionary Operations
Definition
central bank increases (expands) Ms
Term
Contractionary Operations
Definition
central bank decreases (contracts) Ms
Term
Central Bank Assets
Definition
bonds it holds
[image]
Term
Central Bank Liabilities
Definition
stock of money in the economy
[image]
Term
Interest Rate on Bonds
Definition
[image]
Term
Price of Bonds
Definition
[image]
Term
Banks Balance Sheet
Definition
[image][image]
Term
Reserve
Definition
A certain amount of dollars that banks keep in case of withdrawals of money, ect.
Term
Demand for Reserves By Banks
Definition
[image]
[image]
Term
Zero Lower Bound
Definition
interest rate cannot go below zero
Term
Liquidity Trap
Definition
when the interest rate is down at zero and monetary policy cannot decrease it further
Term
Investment (not as a constant)
Definition
I=I(y,i)
+ -
depends on:
Sales & Income
Term
IS Relation when I is NOT a constant
Definition
[image]
equilibrium level of output as a function of the interest rate
Term
LM Relation
Definition
(M/P)=YL(i)
Term
LM Curve
Definition
[image]
Term
Fiscal Expansion
Definition
Government - and increase in the deficit due to increase in government spending or reduction in taxes
Term
Fiscal Contraction
Definition
Government - decrease in government spending or increase in taxes
Term
Monetary Expansion
Definition
Central Bank - an increase in the money supply and a decrease in the interest rate [image]
Term
Monetary Contraction
Definition
Central bank - a decrease in Money supplied and a increase in interest rate
Term
Monetary-Fiscal Policy Mix
Definition
A combination of monetary and fiscal policies
Term
Nominal Interest Rates
Definition
i
interest rates expressed in dollars
Term
Real Interest Rates
Definition
r
Interest Rates expressed in basket goods
Term
Approximate Real Interest Rate
Definition
R = it-(πet +1)
Term
Exact Real Interest Rate
Definition
(1+r) = (1+it)/(1+πet+1)
Term
Nominal Borrowing Interest Rate
Definition
Nominal Interest Policy Rate + Risk Premium
Term
Real Borrowing Interest Ratew
Definition
Nominal Interest Policy Rate - Expected Inflation
Term
Risk Premium
Definition
Bond holders require a risk premium in the case that a consumer may not be able to pay
x=(1+i)p/(1-p)
Term
Capital Ratio
Definition
Ratio of capital to assets
Term
Leverage Ratio
Definition
Ratio of leverage to assets
increase in leverage ratio leads to a increase in expected profit rate and in turn an increase in a risk of bankruptcy
Term
Liquidity
Definition
A decrease in the liquidity of assets leads to an increase on the risk for fire sale and in turn increase in solvent loans
Term
Nominal Policy Rate
Definition
[image]
Term
Borrowing Rate
Definition
[image]
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