What is aggregate supply?
The total output of goods and services that firms in an economy are willing and able to supply at a given price level, in a given period of time
What is the short run?
The period of time when prices of factor inputs are fixed (eg. wages)
Why is the SRAS upwards sloping?
An increase in price level will cause an increase in firms’ profits thus they can afford to increase production. This causes an extension of aggregate supply
What causes the SRAS to shift
Changes in costs of production for firms
What does the LRAS show?
The potential or full capacity level of output
What can cause the LRAS to shift?