This article picked by a teacher with suggested questions is part of the Financial Times free schools access programme. Details/registration here.


  • Inflation

Click to read the article below and then answer the questions:

The fight over measuring UK inflation

  • Distinguish between:

    i) RPI;

    ii) CPI; and

    iii) CPIH

  • CPI is lower than RPI almost entirely due to the formula effect. Use an example to illustrate how the arithmetic mean compares with the geometric mean

  • ‘The battle for RPI continues.’ Discuss whether the writing is on the wall for RPI

Gavin Clarke, Emmanuel College

Copyright The Financial Times Limited 2023. All rights reserved.
Reuse this content (opens in new window) CommentsJump to comments section

Follow the topics in this article


Comments have not been enabled for this article.