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Econ Exam II
AD/AS
67
Economics
Undergraduate 3
03/12/2012

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Cards

Term
Business Taxes are reduced
Definition
Price level increases
real GDP increases
Term
The dollar depreciates
Definition
Price level increases
Real GDP increases
Term
The price of natural gas (a resrouce price) rises
Definition
Price level increases
Real GDP decreases
Term
Consumer wealth decreases
Definition
Price level decreases
Real GDP decreases
Term
The money supply is decreased
Definition
Price level decreases
Real GDP decreases
Term
Productivity improves
Definition
Price level decreases
Real GDP increases
Term
Government purchases increase
Definition
Price level increases
Real GDP increases
Term
Businesses expect future sales to decrease
Definition
Price level decreases
Real GDP decreases
Term
Consumers expect their incomes to be rising in the future
Definition
Price level increases
Real GDP increases
Term
in a circular flow model, business are assumed to be ____________
Definition
Net borrowers
Term
As income increases, the average tax rate increases. You classify this tax as being ____________.
Definition
Progressive
Term
The short run aggregate supply (SRAS) curve is drawn assuming that as real GDP rises, _________________
Definition
Product (output) prices and resrouce (input) prices both increase
Term
In the Keynesian model, we assume that prices
Definition
are constant
Term
In the Keynesian model, assume that at a certain level of real GDP total production exceeds total expenditure (TP>TE). As such, you predict that real GDP will
Definition
Decrease
Term
Illegal activity is
Definition
Excluded from GDP
Term
Say the economy is in long run equilibrium, and then assume that there is an increase in aggregate demand (AD). According to the neoclassical (self-regulating) model, what will eventually happen?
Definition
Short run aggregate supply (SRAS) will increase
Term
As real GDP rises, net tax revenues will
Definition
decrease
Term
Keynes argued that as disposable income increases, the APC will
Definition
decrease
Term
As foreign income rises, the US aggregate demand curve will ___________________
Definition
shift to the right
Term
The interest rate effect describes the slope of the __________
Definition
aggregate demand curve
Term
Say the economy is in long run equilibrium, and then assume taht short run aggregate supply (SRAS) decreases. According to the neoclassical (self regulating) model, what will eventually happen?
Definition
SRAS increases
Term
In economics, "income and "wealth" are ___________
Definition
two different things
Term
As resrouce prices rise, the SRAS curve will
Definition
shift to the left
Term
Transfer (entitlement) payments are
Definition
excluded from GDP
Term
A particular tax is such that the marginal tax rate is less than the average tax rate. This tax is classified as being
Definition
regressive
Term
All of the following will increase aggregate demand EXCEPT an increase in ______
Definition
taxes
Term
Say the economy is in long run equilibrium, and then assume that aggregate demand (AD) decreases. In the neoclassical (Self-regulating) model, what will eventually happen?
Definition
Short run aggregate supply (SRAS) increases
Term
Say's Law assumed to be true in the __________-
Definition
Classical (self-regulating)
Term
All markets are assumed to be competitive in the
Definition
classical model
Term
If the economy is in a recessionary gap, then, in the neoclassical (self regulating) model, we will see resource prices __________
Definition
falling
Term
Which of the following is NOT an example of fiscal policy? Reducing __________
Definition
the money supply
Term
If the US dollar depreciates, then ___________
Definition
US exports will increase and US imports will decrease
Term
The international trade effect describes the slope of the
Definition
aggregate demand curve
Term
The long run aggregate supply curve corresponds to the
Definition
institutional production possibilities frontier (PPF)
Term
As the money supply is increased (ceteris paribus), interest rates will
Definition
fall
Term
Critics of the Federal government budget deficits argue that large deficits can lead to
Definition
slower economic growth
Term
Say the economy is at long run equilibrium, and then assume that short run aggregate supply (SRAS) increases. Eventually, what will happen?
Definition
SRAS decreases
Term
Volunteer work is
Definition
excluded from GDP
Term
The real balance effect describes the slope of the
Definition
AD curve
Term
Assume MPC is equal to 0.9. What is the MPC equal to?
Definition
m=1/1-MPC

m=1/1-.9

MPC= 0.1
Term
Assume the MPC is equal to 0.9. What is the multiplier equal to? (MPS is equal to 0.1)
Definition
m=1/0.1

m=10
Term
Assume the MPC is equal to 0.9. (MPS is equal to 0.1 & the multiplier = 10). Say investment spending rises by $50 billion. Wat will be the change in real GDP?
Definition
(10)x(50)= 500
Term
Assume the MPC is equal to 0.9. (MPS is equal to 0.1 and the multiplier = 10). Say government purchases fall by $30 billion. What will be the change in the real GDP?
Definition
(30)x(10)= -300
Term
Wat is the lump sum tax multiplier equal to? Assume the MPC is equal to 0.9. (MPS is equal to 0.1)
Definition
-MPC/MPS

-0.9/ 0.1 = -9
Term
ADAS
Aggregate Demand Aggregate Supply
Definition
Aggregate = total
General model of macro economy

can use to understand business cycles and impacts of government policies
Term
Aggregate Demand (AD)
Definition
AD= quantity demeanded of all goods and services (real GDP) at each price level, cereris paribus= C + I + G + Xn
Term
Real balance effect:
Definition
for given amount of money, as price level drops, can purchase more goods and services from that amount of money... Increase 'purchasing power', raise real GDP
Term
Interest rate effect
Definition
As price rises, households and businesses try to borrow more to maintain current expenditures: raise interest rate (price of credit), reduce some consumption and investment expenditures, and so real GDP
Term
International Trade Effect:
Definition
As US prices rise, US exports become less competitive abroad, exports fall, and so does real GDP; Akin to the Substitution Effect (foreign for domestic products)
Term
Shifts in aggregate Demand
Definition
AD can shift to right (increase) or left (decrease) because of changes in C,I,G,XN, or money supply
Term
Wealth
Definition
as household wealth increases, so does consumption...
1. often more 'nonearned' income (dividends payments, interest payments, etc.)

2. More collateral to borrow against (eg. home equity loans)
Term
Income taxes
Definition
as taxes rise, disposable income falls, and so does consumption and AD
Term
Interest rates:
Definition
as interest rates rise, lower spending on durable goods: C falls, and AD falls

INCOME: derived from the employment of resources
WEALTH: assets
Term
Expectations of future income:
Definition
If households expect higher incomes in future, will borrow more today, raise C and AD
Term
Expectations of the future prices:
Definition
if households expect prices to rise in future, will try to buy today: Rise C and AD
Term
Interest rates
Definition
as interest rates rise, increase cost of borrowing for capital goods: 'I' drops, as does AD
Term
Business taxes: as business taxes increase, after tax profits drop, reducing I and AD
Definition
Term
Expectations of future sales:
Definition
if businesses expect greater sales in future, will expand today (incerase I) to meet expected larger sales: increase AD
Term
If increase money supply:
Definition
lower interest rates; increase C and I; increase AD
Term
If raise government purchases:
Definition
increase G and thus AD
Term
Fiscal policy:
Definition
changes in money supply
Term
Net Exports
Definition
US exports demand on a foreign income and exchange rate

US imports depend on exchange
Term
Short run aggregate supply (SRAS) curve
Definition
In sort run, assume that resrouce prices, including wages do not increase as production rises

assume fixed amounts of resources (labor, land, capital) in economy

For individual firm, profit per unit (produced)= price per unit- cost per unit

with fixed resource prices, cost per unit fixed; rising prices increase profits, firms willing to expand production in short run

Get upward sloping SRAS: as price level rises, so does quantity supplied of all goods and services (Real GDP)
Term
Shift in SRAS: SRAS will increase (shift to right) or decrease (shift to left) due to
Definition
Changes in wage rates: if wages increase, profits shrink, SRAS shifts left

Changes in other resource prices (land, capital): as these rise, SRAS shifts left

Productivity (output per unit of input): as productivity rises, cost per unit falls: increase profit per unit, shift SRAS to right

(unit labor cost: labor cost/output: "inverse" of productivity: as unit labor costs drop, cheaper to produce)

Negative and positive supply shocks (unexpected but temporary shifts in SRAS)
Term
Macroeconomic Equilibrium
Definition
Intersection of AD and SRAS gives (short run) equilibrium price level and real GDP

Four cases:
AD increases: increase price level, increase real GDP

AD decreases: decrease price level, decrease real GDP

SRAS increase: decrease price level, increase real GDP

SRAS decreases: increase price level, decrease real GDP
Term
Long Run Aggregate Supply Curve
Definition
vertical line at natural real GDP, corresponding with natural unemployment rate (full employment): in LR, all three curves intersect at same point
Term
Classical Model Assumptions
Definition
Markets are competitive, including product resource and financial (loanable funds or credit) markets: prices, wages, resource prices and interest rates can both fall and rise; no one firm can set market price by itself

Say's Law: "supply creates its own demand": very act of production generates incomew it which production can be purchased

Assumptions mean that economy should be at full employment (almost) all of the time

If have unemployed persons, they will be willing to work for lower wages

if have unsld products, firms will reduce prices

if households save more (and consumer less), ten savings increase: increase supply of loanable funds, reduce interest rates, increase investment spending (to counteract drop in consumption)
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