Four factors that affect exchange rates

Why does sterling rise and fall?

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Why does the pound rise and fall?

It hasn’t always. For more or less the whole of the 19th century and a good part of the 20th, £1 was worth about $5. But then, in 1940, following the effects of the First World War and the Depression on the markets, the exchange rate was fixed at $4.03 to the pound. It was devalued again in 1949 to fix the pound at $2.80 – more than twice as much as you get today.

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