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Teach Cambridge IGCSE?

Why not try the InThinking IGCSE Economics site?

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  • Mark

    Site author
    21 Oct 2026

    Of course Kristina, if demand for a product rises then producer and consumer surplus will rise. Equally if demand falls then the opposite will be the case. Equally, when supply rises both consumer and producer surplus increase, falling when supply...

    Community surplus additional questions

  • Alex

    Site author
    21 Oct 2026

    Hi Veronique, Thank you so much for pointing this out. I've made the change - can you check it works? This type of comment is very useful and helps to improve the site. Kindest, Alex

    Unit 2.5(2): Income elasticity of demand (YED)

  • Veronique

    21 Oct 2026

    Hi Alex, The link to the chocolate exercise leads to an old exercise on the price of mobile phones. 

    Unit 2.5(2): Income elasticity of demand (YED)

  • Kristína

    20 Oct 2026

    Hi Mark,. For question 2 and question 5, is it possible to identify the change of producer surplus (increase or decrease) without drawing the diagrams for each and every scenario?

    Community surplus additional questions

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