50 Things That Made the Modern Economy
50 Things That Made the Modern Economy
Vickrey turnstile
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26 October 2019
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In 1952, economist William Vickrey devised an innovative system of turnstiles to help solve a major problem on New York’s subway network. It never became a reality, but, as Tim Harford explains, the idea behind it has had a major influence on how companies decide what to charge us for goods and services today.
