Vickrey turnstile - a podcast by BBC World Service

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.

Further episodes of 50 Things That Made the Modern Economy

Further podcasts by BBC World Service

Website of BBC World Service