Topic 2: Supply and Shifts in the Supply Curve Flashcards
Explain law of supply
(all other things being equal) quantity supplied rises when price rises
- Supply is positively related to price
define supply
amount sellers are willing and able to sell
what explain the law of supply (why upward curve)
- As price falls, producers are willing to supply more
o Reflects higher marginal costs of producing more
o Reflects greater revenues for firms - Increase in price acts as a signal to firms to:
o Allocate more resources to the good
what does a right shift do to supply
increase supply
what does a left shift do to supply
decrease supply
terminology referring to ‘movement’ and shift of supply curve
- Movement along curve: ‘Change in quantity supplied’
- Shift of curve: ‘change in supply’
how does input prices shift supply graph
o Increasing input price > firm increase overall cost > left shift (less profitable)
o Decreasing input price > decrease overall cost > right shift (more profitable)
which way does supply shift for increase in tech and why
- Improvement of technology = decrease in costs of production
o Supply curve shifts to right