Economics Interactive Diagrams

It is a platform free for teachers to use for economics education.

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Price Ceiling

This graph illustrates the effects of an effective price ceiling on price, quantity and total revenue.

Concepts involved:
  • Price Ceiling
  • Shortage
View Figure 1.1
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Price Floor

This graph illustrates the effects of an effective price floor on price, quantity and total revenue.

Concepts involved:
  • Price Floor
  • Surplus
View Figure 1.2
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Quota

This graph illustrates the effects of an effective quota on price, quantity and total revenue.

Concepts involved:
  • Quota
View Figure 1.3
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Per-unit Tax

This graph illustrates the effects of a per-unit tax on price, quantity and total revenue.

Concepts involved:
  • Per-unit Tax
View Figure 1.4
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Tax Burdens

This graph illustrates the sharing of the tax burden of a per-unit tax between consumers and producers.

Concepts involved:
  • Per-unit Tax
  • Tax Burden
View Figure 1.5
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Per-unit Subsidy

This graph illustrates the effects of a per-unit subsidy on price, quantity and total revenue.

Concepts involved:
  • Per-unit Subsidy
View Figure 1.6
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Share of Subsidy

This graph illustrates the sharing of a per-unit subsidy between consumers and producers.

Concepts involved:
  • Per-unit Subsidy
  • Share of Subsidy
View Figure 1.7
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Efficiency of Price Ceiling

This graph shows the consumer surplus, producer surplus and deadweight loss under an effective price ceiling.

Concepts involved:
  • Price Ceiling
  • Consumer Surplus
  • Producer Surplus
  • Deadweight Loss
View Figure 2.1
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Efficiency of Price Floor

This graph shows the consumer surplus, producer surplus and deadweight loss under an effective price floor.

Concepts involved:
  • Price Floor
  • Consumer Surplus
  • Producer Surplus
  • Deadweight Loss
View Figure 2.2