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Dec 5, 2013 / Richard Hall

100 years of price changes

I delight in simplification. I have taken full advantage of The Economist’s ability to summarise global economic health in a single line. Now I’ve discovered another single line that captures commodity price volatility since 1900.

And here it is. MGI

Source: Index Mundi with thanks to Forum for the Future and

It shows bumps and dips in most of the places you would expect. But two aspects struck me instantly:

• I would have anticipated far more volatility over time.

• The last three years have been the highest and among the most extreme, despite a faltering global economic recovery.

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