10. Aggregate Demand and Aggregate Supply Flashcards

1
Q

recession

A

period of declining real incomes and rising unemployment (mainly due to insufficient demand)

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2
Q

classical theory predicts

A

long term, not short term

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3
Q

what does the aggregate-demand curve show

A

shows the quantity of total goods and services that households firms and governments want to buy at each price level

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4
Q

what does the aggregate-supply curve show

A

shows the quantity of goods and services that choose to produce and sell at each price level

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5
Q

why does aggregate demand curve slope downwards

A

wealth effect, when prices goes down, people feel wealthier meaning increase in spending/demand (impacts on C)

Keynesian effect, when price falls, people don’t need to use as much money and so they might try to buy bonds or save -> more loanable funds and investment increases (impacts I)

Mundell-Fleming: NX: lower price -> less inflation -> rate of interest decreases

investors will invest overseas (higher interest overseas). This increases supply to the foreign exchange market, depreciating the NZ dollar. This means more exports and less imports, thus increasing NX.

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6
Q

what two variables are used to develop the model of aggregate demand/supply

A

real GDP, and the overall price level (GDP deflator or CPI)

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7
Q

what affects aggregate-demand curve

A

C I G NX

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8
Q

in the long-term, aggregate supply curve is

A

vertical

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9
Q

the quantity at the aggregate supply curve is also known as

A

the potential output or full-employment output OR natural output

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10
Q

factors that can shift the long-term aggregate-supply curve and WHAT HAS NO AFFECT CAPS!!!!

A

labour, capital, natural resources, technological knowledge, government policies PRICE LEVEL OR MONEY SUPPLIED HAS NO EFFECT

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11
Q

what makes the short-term aggregate supply curve slope upwards?

A

price

sticky-wage theory
WAGES are fixed, so when prices fall the overall costs for the business increases so the company will hire less and reduce output

sticky-price theory
changing prices are costly so they don’t change too fast, if the price drops then sales are reduced, and they will cut back on employment and production

misconception theory
change in price level causes temporary misperception in suppliers to reduce supply - if price of tomatoes are reduced then suppliers think that it’s not worth supplying as much. vice versa for higher - as long as it deviates from EXPECTED prices

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12
Q

in the long run, what happens to sticky wages and sticky prices, misconceptions, and the aggregate supply curve?

A

sticky become unstuck, misconceptions are cleared and the curve becomes the vertical long term supply curve

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13
Q

what can shift the short-term aggregate supply curve?

A

labour, capital, natural resources, technological knowledge

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14
Q

what happens to aggregate demand if people become pessimistic?

A

spend less -> consumption decreases, meaning businesses invest less, AD = CIG NX leads to recession (USE DIAGRAM) GDP decreases, more unemployment. Price level will decrease

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15
Q

two problems when trying to increase aggregate demand through government injections

A

TIME LAG
government discussion, parliament, takes about 18 months to get fiscal policy through

SPEED
economy will fix itself slowly over time, if policy is implemented late it will overshoot into INFLATION

PRECISION
hard to get back to equilibrium, do not offshoot into inflation (hard to do as humans are unpredictable)

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16
Q

how to fix recession?

A

government injection - create jobs etc. increase consumption -> increase investment

or

do nothing policy, allow economy to cure itself

17
Q

downward pressure on wages

A

recession has many unemployed, people willing to work for lower wages -> cost of production decreases, impacting on the short term aggregate supply, restoring equilibrium

18
Q

effect of oil shock

A

shifts short term aggregate supply curve to the left as cost of production increases, WORSE than aggregate demand shift STAGFLATION

19
Q

how do we fix stagflation? from the reserve bank, government and doing nothing.

A

cannot fix rising prices and decreasing output at the same time;

expansionary monetary policy -reserve bank governor. Decreasing OCR, decreasing interest rates. Borrowing more -> investment increases, and people borrow more. Aggregate demand increases -> more inflation

contractionary monetary policy -> increase OCR, interest rate increases, less borrowing. Inflation decreases but unemployment worsens.

expansionary fiscal policy (increase aggregate demand & return to natural output, the new price is high so we get INFLATION)-

contractionary fiscal policy - reduce spending, demand decreases. Inflation decreases but now we have less output and more unemployment)

do nothing (best as there will be a downward pressure on wages, pushing short-term aggregate supply back) MUST ANALYSE ALL