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Rival and non-rival goods illustration: a scale with rival goods at one end (left) and non-rival goods at the other (right) displays items at each extreme and along the scale in between. eg. (left to right) cup of coffee; roads; software.

Rival and non-rival goods

This is surely at least part of the reason that “software is eating the world.”

But I’m sure coffee will stick around for a bit too.

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