Rory Sutherland Rory Sutherland

Sutherland’s Law of Bad Maths

Many statistical models involving humans make the mistake of assuming that 10 x 1 is the same as 1 x 10

issue 12 August 2017

Imagine for a moment a parallel universe in which shops had mostly not yet been invented, and that all commerce took place online.

This may seem like a fantastical notion, but it more or less describes rural America 100 years ago. In 1919 the catalogues produced by Sears, Roebuck & Company and Montgomery Ward were, for the 52 per cent of Americans who then lived in rural areas, the principal means of buying anything remotely exotic.

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