EconomicsCode 9708

The interaction of demand and supply

What this topic asks you to be able to do

  • the way market equilibrium and disequilibrium are defined
  • the impact that shifts of the demand and supply curves have on equilibrium price and quantity
  • how separate markets are linked, covering joint demand (complements), alternative demand (substitutes), derived demand and joint supply
  • the roles price plays in allocating resources: rationing; signalling, by transmitting preferences; and incentivising