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  • 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

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