Define a 'market'

Define 'demand'

Define 'supply'

Define 'equilibrium price'

What's the difference between excess demand and excess supply?

What's the difference between a 'substitute' and a 'complement'?

Define an 'inferior good'

What is 'price control'?

Define 'Economic Surplus'

Define 'Consumer Surplus'

Define 'Producer Surplus'

Define 'Price Ceiling'

Define 'Price Floor'