2.3.1 & 2.3.2 Aggregate Supply And Short Run Aggregate Supply Flashcards
Aggregate supply
the volume of goods and services produced in an economy at a given price in a given time period
- represents the ability of an economy to deliver goods and services to meet demand
Aggregate supply curve (pic)
slopes up since high prices mean producers want to sell more (short run)
Short run AS curve (pic)
straight, upward sloping - higher prices = goods make more output more profitable = enable businesses to expand production by hiring less productive labour
Why is short run AS positive?
- all the industry supply curves that are added together to form the curve are upwards
- and if real output is to increase in the short run, firms will have to pay overtime or more money for the quick delivery of raw materials & costs per unit to the firms will rise which will be passed on to the consumer through higher prices (increase real output = increase price level)
Movements along AS curve
shift in AD as a new equilibrium point is established
Shifts in AS curve
a change in the conditions of supply in the macroeconomy
Rising the price level…
expansion of AS
Fall in price level…
contraction of AS
DIfference between short run and long run AS
Short-run
- Wage rates & price of factors are fixed
- to increase output firms have to pay more to current staff to work more
- overtime costs more which means higher cost =higher prices
- increase output means increase in prices
Shift in AS curve (pic)
- increase in cost shifts it inwards/left (AS contracts)
- decrease in cost shifts it outwards/right (AS expands)
Factors influencing short-run AS
- changes in costs of raw materials
- changes in exchange rates
- changes in tax rates
- productivity
- wages rate
How does the changes in costs of raw materials affect AS?
increased prices = increased business cost = decrease AS
How does the changes in exchange rate affect AS?
strong currency makes importing material cheaper
How does the changes in tax rate affect AS?
increased prices = increased business cost = decrease AS
How does the changes in productivity affect AS?
new tech = more productive = increased AS