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Why can Ireland’s inflation rate differ from your shopping bill?

A national price index combines many purchases that no single household makes in exactly the same proportions. Ireland's Consumer Price Index uses spending weights, so changes in different prices contribute unequally to the overall figure.

4–5 min

Questions you could explore

  • How does a spending weight affect the index?
  • Why might two households experience the same price changes differently?

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Economics and money

What does a free afternoon still cost you?

An hour can be free of charges and still be scarce. Choosing one use means giving up the best available alternative, which is the opportunity cost even when no money changes hands.

3–5 min

What does a free afternoon still cost you?

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3–7 min

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Why does compound interest differ from simple interest over time?

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3–7 min

Why does compound interest differ from simple interest over time?

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Why can Ireland’s inflation rate differ from your shopping bill? | Speech Topic | speaking.app