Why does AS slope up
Higher price encourages firms to produce as more profit opportunities
How does SRAS differ from LRAS
In SR, one FOP or more is fixed
Law of diminishing marginal return
Employing additional labour reduces productivity, so cost per unit is more expensive, so prices must increase
What factors shift SRAS
Change in COP
What are the assumptions behind SRAS analysis
Fixed productivity, fixed input prices are constant, fixed tech