Where, when, and under what circumstances did money first emerge? This Element examines this question through a comparative study of the use of shells to facilitate trade and exchange in ancient ...

The cowrie, a type of marine snail, has very colourful shells which were used as money. It seems that it wasn’t just the colours that made the shell appealing - its small size and durability ...

Some say higher windfall taxes are a good way for governments to raise money because they're easy to collect and hard to avoid. Even the former boss of Shell himself, Ben van Beurden, wondered if ...