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A-LevelEconomicsThe price system and the microeconomy9708/33 · May/June 2017 · Q131 Mark

The table shows percentage (%) market share of smartphone operating systems (OS) for Great Britain (GB) and the United States (US) in January 2012 and July 2015.

  1. (a)The table shows percentage (%) market share of smartphone operating systems (OS) for Great Britain (GB) and the United States (US) in January 2012 and July 2015. OS system GB 2012 (%) GB 2015 (%) US 2012 (%) US 2015 (%) V 49.3 54.3 43.0 65.6 W 15.7 1.0 3.3 0.4 X 29.3 32.7 50.6 30.1 Y 2.4 12.0 2.1 3.8 Z 3.3 0.0 1.0 0.1 What can be concluded from the table about changes between 2012 and 2015? A The dominant firm in each country increased its market power. B The firms counted in the three-firm concentration ratio remained the same in both countries. C The three-firm concentration ratio decreased in both countries. D The three-firm concentration ratio showed the same trend in both countries.[1]

Mark scheme

Marking points from the official mark scheme (May/June 2017). The mark or mark type is shown in brackets.

  1. [1] Answer: D

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About this question

Topic
The price system and the microeconomy, A-Level Economics (syllabus 9708). Structured question, 1 mark.
Source
A-Level Economics, May/June 2017 Paper 3 Variant 3, question 13.

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