Internal economies of scale occur when
average cost falls due to the expansion of the entire industry.
average cost falls due to the expansion of an individual firm.
total cost falls due to the expansion of an individual firm.
marginal cost is minimized when a firm operates at its highest capacity.
156 exam-style questions on AQA A Level Economics 1.4 Production, costs and revenue, covering 1.4.1 Production and productivity, 1.4.2 Specialisation, division of labour and exchange, 1.4.3 The law of diminishing returns and returns to scale (A-level only), 1.4.4 Costs of production, 1.4.5 Economies and diseconomies of scale, 1.4.6 Marginal, average and total revenue, 1.4.7 Profit, and 1.4.8 Technological change (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.