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PEST Factors and the External Environment

Inflation and how it is measured

  • 3 things to know
  • Component 3

Overview

CPI basket, consumer Prices Index and the Retail Prices Index and demand-pull inflation.

What you need to know

Answer each one before you reveal it.

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Key term

What is meant by inflation?

Key term

How is inflation measured in the United Kingdom?

Key term

What is the CPI basket, and how is it kept relevant?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What is meant by inflation?

    Model answer

    Inflation is a sustained rise in the general level of prices in an economy. Money loses purchasing power while inflation continues.

  2. 2

    How is inflation measured in the United Kingdom?

    Model answer

    Inflation is measured by tracking the price of a representative basket of goods and services. The Consumer Prices Index is the main measure and is published monthly.

  3. 3

    What is the CPI basket, and how is it kept relevant?

    Model answer

    The CPI basket is a weighted list of goods and services typical of household spending. The Office for National Statistics reviews the basket each year to reflect changing habits.

  4. 4

    Why are the items in a price index weighted?

    Model answer

    Each weight reflects how much of household spending goes on that item. A rise in the price of fuel therefore moves the index more than a rise in a rarely bought item.

  5. 5

    Distinguish between the Consumer Prices Index and the Retail Prices Index.

    Model answer

    The Consumer Prices Index excludes most housing costs, including mortgage interest payments. The Retail Prices Index includes those costs and uses a different averaging formula.

  6. 6

    What is meant by demand-pull inflation?

    Model answer

    Demand-pull inflation happens when total demand grows faster than the economy can supply. Prices are bid up as buyers compete for limited output.

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