Supply and PES | IAL Economics | Cambridge 9708 · Edexcel YEC11 · OxfordAQA 9640

Supply and price elasticity of supply (PES) for International A Level Economics (AS): what supply is, the law of supply, the supply curve, market supply, movements along the curve versus shifts, the factors that shift supply (costs, technology, taxes and subsidies, competitive and joint supply, expectations, number of firms), the PES formula and how to calculate and read it, the factors that affect PES and why PES matters. 📝 OxfordAQA 9640 notes: Supply and price elasticity of supply (free): https://www.thinka.ai/en-GB/Oxford-AQ... 📱 Thinka app: practice questions and notes: https://www.thinka.ai/en-GB/download?... AI tutor Emma teaches from the Thinka notes, one step at a time, with the examples from the notes. A Board Check shows what each specification lists for Cambridge 9708, Edexcel IAL Economics (Unit 1) and OxfordAQA 9640 (Unit 1). ⏱️ Chapters 0:00 Intro, why it matters and key terms 2:11 What supply is: the law of supply 4:57 The supply curve: market supply, extension and contraction 8:18 Shifts of the supply curve: the non-price factors 16:38 Price elasticity of supply: meaning and formula 19:00 Reading the PES value: elastic, inelastic, unitary 23:17 Factors affecting PES 27:38 Why PES matters for firms and markets 30:02 Board Check: Cambridge, Edexcel, OxfordAQA 31:09 Exam tips 33:17 Recap 🔗 Study resources 📝 OxfordAQA 9640 notes: Supply and price elasticity of supply (free): https://www.thinka.ai/en-GB/Oxford-AQ... 📝 Cambridge 9708 notes: Price elasticity of supply: https://www.thinka.ai/en-GB/Cambridge... 📝 Cambridge 9708 notes: Demand and supply curves: https://www.thinka.ai/en-GB/Cambridge... 📝 Edexcel YEC11 notes: Supply: https://www.thinka.ai/en-GB/Pearson-E... 📊 Cambridge 9708 past paper analysis (June 2026): https://www.thinka.ai/en-GB/past-pape... 📊 Edexcel YEC11 past paper analysis (January 2026): https://www.thinka.ai/en-GB/past-pape... 📊 OxfordAQA 9640 past paper analysis (June 2025): https://www.thinka.ai/en-GB/past-pape... ✍️ Cambridge 9708 practice paper with answers: https://www.thinka.ai/en-GB/past-pape... 📚 More 📖 All Cambridge 9708 Economics notes: https://www.thinka.ai/en-GB/Cambridge... ▶️ Playlist: A Level Economics Video Course | Cambridge 9708 · Edexcel IAL · OxfordAQA 9640 →    • A Level Economics Video Course | Cambridge...   🤖 About this video Emma is an AI tutor: her image and voice are AI-generated. The lesson follows Thinka's study notes and does not reproduce any exam board's past-paper questions. #ALevelEconomics #Supply #ALevel