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quantitative skills

Making good use of diagrams and graphs

An important skill required in A-level economics is to be able to use diagrams and graphs effectively and correctly. Peter Smith explores how to go about this, and highlights some possible pitfalls

Using diagrams and graphs is a key skill in A-level economics. You may find that you face questions that explicitly ask you to include diagrams in your answer, or you may find that you are presented with data in the form of a graph that you need to interpret. Even if there is no specific request to use a diagram, this is very often the clearest way of explaining key aspects of economic theory. So, you need to know what you are doing if you are to score heavily.

Stating the obvious, the first priority for any diagram that you draw is to draw it correctly. But how easy it is to make silly mistakes. For a start, use a ruler to draw straight lines such as axes. Don’t try to save on paper by drawing tiny diagrams that nobody can read. The clearer the better.

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Is university education a good investment?

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