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Julius Caesar: How to influence an empire

Nudge

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The Power of Costly Signaling

The power of costly signaling. A principle that frustrated Charles Darwin grew the popularity of the potato and propelled Caesar to Roman Empire. Phil Agnew talks with Rory Sutherland, the advertising legend who runs the Ogilby behavioral science lab. On this show, we discuss everything from costly signaling to the simple ways to improve train travel.

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