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This powerpoint is purposefully made for AS Level Economics using the most recent Cambridge syllabus.

It fully covers - 2.4 The interaction of demand and supply

2.4.1 definition of market equilibrium and disequilibrium

2.4.2 effects of shifts in demand and supply curves on equilibrium price and quantity

2.4.3 relationships between different markets:
• joint demand (complements)
• alternative demand (substitutes)
• derived demand
• joint supply

2.4.4 functions of price in resource allocation; rationing, signalling (transmission of preferences) and
incentivising