91热爆 Radio 4 - Things That Made the Modern Economy, Series 1

Things That Made the Modern Economy Series 1 Episodes Available now

The tally stick shows us what money really is: a kind of debt that can be traded freely.

If anyone could work anywhere, some economists think global economic output would double.

Intellectual property reflects an economic trade off when it comes to innovation.

From Spacewar to Pokemon Go, video games have shaped the modern economy in surprising ways

Cuneiform, the earliest known script, was used to create the world's first accounts.

Invented for the printing industry, air conditioning now influences where and how we live.

The safety elevator is a mass transit system that has changed the shape of our cities.

The pill wasn't just socially revolutionary, it also sparked an economic revolution.

The TV dinner, and other inventions from the same era, made a lasting economic impression.

'Superstar' economics - how the gramophone transformed the performing industry.