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Macro 102
Exam Prep 2-Conspumtion ect.
72
Economics
Undergraduate 1
03/29/2010

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Term
Agreggate Expenditure
Definition
The total amount of Domestic Goods and Services that the four major components-Consumers, Investors,Goverment, and Forgein Investors are willing to Buy.
Term
Y=
Definition
C+I+G+NX
Term
Life Cycle Hypothesis
Definition
People spend when they are young, Save when they are in thier mid-years,and spend when they are older
-Gives a predictable line of consumption over a lifetime.
Term
5 Determinants of Consumption
Definition
Current Disposable Income
Real Interest rate
Expected Future Disposable Income
Household Wealth
Price Level
Term
Current Disposable Income
Definition
Yd=Income-Taxes+ transfer Payments
Term
Future Expected Disposable Income
Definition
Same as Disposable income-Expected
Term
Real Interest rate
Definition
Nominal Interest Rate-Inflation
Term
i=
r=
Pi=
Definition
=Nominal Interest rate
=Real interest rate
=Inflation
Term
As Real interest rate Rises...
Definition
Consumption Goes down since:
a.)Costs more to borrow
b.) More incentive to Save
Term
Household Wealth
Definition
Household Assets-Household Liabilities
Term
Price Level
as it goes up...
Definition
Wealth goes down, Consumption Goes down
Term
The Consumption Function
Definition
C = f ( YD, YDe , r , Wealth, Price level)
+ + - + -
Term
Components in Investment
Definition
Plant and equipment
Housing
Inventories
Term
Inventories include....
Definition
1.) Finished Goods Not sold yet
2.) Raw materials not Used yet
3.)Unfinished goods still in the production Process
Term
Net Investment
Definition
Gross Investment-Depreciation (dK) K=capital stock
Term
Present Discounted Value
-Future value Formula
Definition
Future Value N years from Today:
F = $PDV (1 + r)N
Present Discounted Value Of funds received Today:
F/1+r^N
Term
PDV of Revenues
Definition
(Rev1/1+r )+ (Rev2/(1+r)^2...ect
Term
PDV of Costs
Definition
Same as PDV of Revanues Only with Costs
Term
Net Present Value (NPV)
Definition
PDV of Project revenues-PDV of Project Costs
Term
(In respect to eNPV)
if R goes up
Definition
PDV(e revenue)goes down, PDV (e Costs) go down, NPV goes down
Term
Why does NPV go down if r goes up?
Definition
Because most costs will occur before the revenues are received.
Term
Determinants of Investment
Definition
Real interest rate
Current Levels of Y
Expected Levels of Y
Tax Policy
Term
Investment Function
Definition
I = f (r, Y, Ye, Tax policy)
- , +,+
Term
Investment is the most aspect of GDP because...
Definition
The Investment Accelorator
Investment can Be Postponed
Uncertainty and Expectations
Term
The Investment Accelerator
Definition
Change in GDP affects incentive to invest
Term
Nominal Exhange Rate
Definition
Price Of one Currency in terms of another currency
Term
Real Exchange Rate
Definition
Price of goods in one country in terms of the price of goods in another country
Term
Real Exchange rate fomrula
Definition
PdomxE/Pfor
Term
e chnages if
Definition
E changes
Pdom changes
Pfor changes
Term
E should be such that..
Definition
e=1
Term
E=
Definition
Pfor/Pdom
Term
Closed Economy
Definition
Y=C+I+G
Term
Open Economy
Definition
Y=C+I+G+NX
Term
Trade deficit
Definition
Imorted more than we exported
Term
Trade surplus
Definition
Exported more than we imorted
Term
Balanced Trade
Definition
Imports=Exports
Term
4 things that Exports depend on
Definition
e=Real exchange rate
Yfor=How much money another country has
trade policies
tastes and preferences of other countries for our things

expots=f(e,Yfor,policies, preferences)
Term
If the exchange rate goes up...
if Yfor increases...
if Ydom increases
Definition
Exports decrease, imports increase
Exports increase
Imports increase
Term
Net Exports
Definition
=F(e,Yfor,Ydom,policies, Preferences)
Term
If real exchange rate increases...
Definition
demand for dollar denominated assets increase
demand for dollar increases
nominal exchange rate increases
real exchange rate increases
exports decrease, imports increase
Net exports decreases
Term
Balance of Payments
Definition
the recored of a country's trade in goods, services, and assets
Term
Balance of Payments is made up of..
Definition
Current account
Financial Account
Term
Current account
Definition
The trade in goods and services (NX)
Term
Financial Account
Definition
Measures Trade in assets
(amount of capital coming in-Amount of capital leaving)=Net Capital Inflow
Term
Current account=
Definition
-financial account
Term
Net Capital OUtflow
Definition
Domestic residence investment in for assets-Forein residence investment in Domestic assets (also called net foreign investment)
Term
Foreign Direct investment
Definition
Domestic residence actively manage a firm in a foreign country
Term
Forgein Portfolio Investment
Definition
Domestic residents purchase foreign stocks or bonds (at an interest rate) supplying loanable funds to foreign companies.
Term
NCO measures
Definition
The imbalance of a countries trade in assets
Term
Variables that influence NCO
Definition
-the real interest rate paid on forgein investments
-the real interest rate paid on domestic investments
-percieved risks in holding forgein assets
-Goverment policies affecting forgien ownership of assets
Term
NCO=
Definition
NX
Term
Physical Capital
Definition
Machines, factories, Office blds.
Term
Savings affects----> which affects---->
Definition
Savings affects financial capital which affects Physical capital
Term
Supply=
Definition
Private savings+ Public savings (Taxes-Gov spend)
Term
Demand=
Definition
Investment-Net capital Outflow
Term
Equilibrium in Loanable Funds Market
Definition
Where quantity supplied=Quantity demanded
Term
Increase in quantity demanded=
Definition
Increase in quantity Supplied
Shifts the Demand curve to the right.
Term
Decrease in Supply
Definition
Decrease in demand
Shifts the supply curve to the left
Term
NC0(r)=
Definition
S(r)-I(r)+(T-G)
Term
Aggregate Demand Curve (AD)
Definition
Relates the country's price level to the aggregate expenditure on that countries goods and services
Term
Price Level
Definition
A measure of the overall Price level such as GDP deflator or CPI indicator
Term
A point on the Aggregate demand Curve is called...
Definition
Aggregate Expenditure
Term
3 reasons Aggregate demand curve slopes down
Definition
Wealth effect
Interest rate effect
International trade effect
Term
Wealth affect
Definition
as price level increases purchasing power of a household decreases.
Term
Interest rate effect 2
Definition
As r increases fewer projects worth undertaking becuase of the NPV
-when P increases, r increases,C decreases, Investment decreases---> as Net exports decrease, AG decreases.
It costs more to borrow the money to finance projects
Term
International Trade effect
Definition
As price level goes up, real exchange rate goes up, cuases Net exports to go down and AG to go down as well
Term
Increase in AGD shifts curve to the...
Definition
right
Term
What shifts The AGD curve?
Definition
Government Policies
Changes in Expectations
Changes in foreign Variables
Term
Reasons For Price Stickyness
Definition
-Consumer relations
-Menu Costs
-Staggered Price Setting
-Coordination Failure
-Contracts
Term
Negative Supply Shock
Definition
Shifts SRAS to the left
Term
Positive Supply Shock
Definition
Shifts SRAS to the right
Term
Inflationary Gap
Definition
Results from the shift of the SRAS to the right from Gov. Spending or decrease in taxes.
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