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Graphl

Economic models you can actually see move. Every curve is computed and every shift is verified. Built for students who want intuition, not just diagrams.

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Educational purposes only, not financial advice. Graphl teaches which economic framework applies and how its mechanism works; it does not solve assessment problems for you.

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  3. Consumer & Producer Surplus
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  5. Scenario

Micro Foundations · intro

Demand boom grows total surplus

What moves on the Consumer & Producer Surplus diagram

  • Dshifts right (small)

A rightward demand shift raises equilibriumequilibriumThe point where opposing forces balance, quantity supplied equals quantity demanded, so there's no pressure for price to change. quantity, expanding both consumer and producer surplusproducer surplusThe gap between the price sellers receive and the minimum they would have accepted..

Watch it animateQuiz yourself on Consumer & Producer Surplus

Step by step

  1. 1

    Start at equilibriumequilibriumThe point where opposing forces balance, quantity supplied equals quantity demanded, so there's no pressure for price to change..

  2. 2

    Buyers value the good more, demand shifts right.

  3. 3

    Both CS and PS grow: stronger demand enlarges the total gains from trade.

Where this shows up

Examiners ask this as: surplus grows, gains from trade increase, demand rises welfare.

Other scenarios on Consumer & Producer Surplus

A tax shrinks the pie →Cheaper production shifts the split →A production subsidy expands the gains from trade →A demand slump shrinks the surplus triangles →Cheap imports flood in and buyers capture the gains →A supply disruption destroys gains from trade →