Interactive Trade & Tariff Diagram

Explore tariff welfare effects, customs union analysis and trade creation vs trade diversion. Switch between three modes to model different trade policy scenarios. Built for AQA, Edexcel and OCR.

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Price (£)Quantity (Q)2040608010012020406080100DWL ADWL BS (domestic)D (domestic)P_worldP_world + TariffQs1Qd1Qs2Qd2learnwithotti.co.uk/diagrams
At P_world: Qs1=25.0, Qd1=88.9, imports=63.9At P+tariff: Qs2=43.8, Qd2=72.2, imports=28.5
Govt revenue: £427.1DWL A: 140.6DWL B: 125.0Total DWL: 265.6
World price (£)£30
Tariff rate (£)£15

Tariff raises domestic price from £30 to £45. Imports fall from 63.9 to 28.5. DWL = 265.6.

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