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Video overview
Teach Cambridge IGCSE?

Why not try the InThinking IGCSE Economics site?

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Mark Johnson
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Mark
Alex
IB Approved Workshops
Economics
IB DP Category 1

Virtual (IB Approved), 25 - 27 September 2026

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Economics
IB DP Category 2

Berlin, Germany, 26 - 28 February 2027

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Virtual Think-Ins
Extended Essay Essentials for EE Coordinators

Virtual Think-In, 17 September 2026

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Managing a successful Business and Economics Department

Virtual Think-In, 21 - 22 September 2026

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The new Extended Essay in DP Economics

Virtual Think-In, 28 September 2026

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Quote of the day

"Stock prices have reached what looks like a permanently high plateau."

Irving Fisher (three days before the 1929 crash)
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  • Ian

    17 Sep 2026

    Derived demand and veblen goods are both not explicitly tested either. The concepts behind them maybe are but I worry working with this material will make students/teachers think "define veblen good" or "derived demand" can show up on a test, which...

    Demand worksheet

  • Mark

    Site author
    15 Sep 2026

    That's done Valli, thank you for letting me know about this.

    Unit 2.3: Competitive market equilibrium

  • Valli

    15 Sep 2026

    Hi, when I tried to access Class notes, I couldn't access Equilibrium; instead, another topic (Economic systems) is available. Could you please do the needful?

    Unit 2.3: Competitive market equilibrium

  • Mark

    Site author
    14 Sep 2026

    It is median income, that is what I meant so let me change that.

    Inequality

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