In Brazil, telecommunications giant NexaCable has a highly reputable brand image and a 55% share of the high-speed fiber-optic market. This means the fiber-optic market in Brazil is likely to have a low level of:
concentration
contestability
state intervention
product differentiation
92 exam-style questions on Edexcel A A Level Economics 3.4 Market structures, covering 3.4.1 Efficiency, 3.4.2 Perfect competition, 3.4.3 Monopolistic competition, 3.4.4 Oligopoly, 3.4.5 Monopoly, 3.4.6 Monopsony, and 3.4.7 Contestability. Each one has a worked solution and a mark scheme showing where the marks go.