Q1 Identify which factor also blocks new pharmaceutical firms from entering, alongside patents (Predatory pricing / Constant returns to scale / Low advertising costs / High supernormal profits).
Edexcel · 9EC0 / 8EC0 / WEC11–14
All 14 questions from the Edexcel International A Level Unit 3, Oct 2022 Economics paper (9EC0 / 8EC0 / WEC11–14), worth 100 marks in total. The main topics tested are Profits and losses (2), Contestability (1), Monopolistic competition (1), Supply of labour (1).
Each question is summarised in our own words with its mark tariff, command word and specification point, and links through to the official paper.
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Q1 Identify which factor also blocks new pharmaceutical firms from entering, alongside patents (Predatory pricing / Constant returns to scale / Low advertising costs / High supernormal profits).
Q2 Deduce what a short-run profit-maximising diagram for a Beijing street food vendor shows about efficiency and new entry.
Q3 Identify the most likely cause of the falling US labour force participation rate after 2019 (benefits / net migration / wages / productivity).
Q4 Work out the marginal cost of hiring one more engineer when the wage must rise for all 40 existing staff.
Q5 Identify the condition under which a firm closes in the short run, given New Zealand business closures during the health crisis.
Q6 Deduce which objective a monopolist pursues when it chooses price P3 on the diagram shown.
Q7(a) Work out the percentage point shift in India's four-firm concentration ratio for mobile phone brands, 2020 to 2021.
Q7(b) Using the extract, analyse two things that made India the world's second largest smartphone market.
Q7(c) Explain the meaning of economies of scale, drawing on the extract about smartphone production in India.
Q7(d) Examine how building a smartphone plant in India is likely to affect Samsung's profits, using a diagram.
Q7(e) Discuss how competing on things other than price may help buyers and firms in India's smartphone industry.
Q10 Evaluate the microeconomic consequences for one industry when a country lifts its minimum wage, as Greece planned in 2022.
Q8 Evaluate the gains a firm might make from splitting off part of itself, as with an Australian mining demerger.
Q9 Evaluate how charging different customers different prices can help firms and buyers, given a Spanish hotel chain's EU fine.
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