Week V · 21 plates
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The Evolutionarily Stable Strategy

Invadability as the test

The big idea

A strategy is evolutionarily stable when, once common, no rare alternative can invade it. Representative democracy has passed that test for two and a half centuries. The claim of this course is that an Ownership Society is the next stable mutation of it.

By the end of this week you can
  • —Define an ESS and apply the invadability test.
  • —Explain why command economies were invadable from within.
  • —State the Ownership Society claim in ESS terms.
Opening the lecture hall…