Consumer Surplus Summary

Definition of Consumer Surplus

  • The difference between what people are willing to pay and what they actually pay for a good.

Concept of Surplus

  • Surplus indicates an abundance of benefit received compared to payment made.

Example

  • Willingness to pay: $500 for a movie ticket.
  • Actual price paid: $20.
  • Consumer surplus = $500 - $20 = $480.

Economic Implications

  • Graphically represented by the area between the demand curve and the equilibrium market price.
  • Reflects additional benefit consumers gain from purchasing at market price rather than their maximum willingness to pay.