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Markets and Market Forces

Demand and supply

  • 3 things to know
  • Unit AS 1

Overview

What each curve shows, which way each of them slopes and why, and what happens to quantity when a price moves.

What you need to know

Answer each one before you reveal it.

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Key term

What makes a curve shift rather than a movement occur along it?

Key term

What does a demand curve illustrate?

Key term

In which direction does a typical demand curve slope?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What does a demand curve illustrate?

    Model answer

    The relationship between the price of a good or service and the quantity demanded by consumers at each price level.

  2. 2

    In which direction does a typical demand curve slope?

    Model answer

    Downward from left to right.

  3. 3

    What does a supply curve show?

    Model answer

    The relationship between the price of a good or service and the quantity that producers are willing and able to supply at each price level.

  4. 4

    In which direction does a typical supply curve slope?

    Model answer

    Upward from left to right.

  5. 5

    Why does the demand curve slope downward?

    Model answer

    Because as price falls, quantity demanded increases, and as price rises, quantity demanded decreases.

  6. 6

    What happens to quantity demanded when the price of a product decreases?

    Model answer

    Quantity demanded increases.

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