Editing Evolutionary Game Theory (section)

== <span style="color: #FFFFFF;">Understanding</span> ==
Evolutionary game theory is understood through '''Frequency Dependence''' and '''Stability'''.

'''1. The Strategy is the "Player"''':
In EGT, an individual animal doesn't "Choose" to be a Hawk. They *are* a Hawk (it's in their DNA).
* If there are many Doves, being a Hawk is great (you get all the food for free).
* If there are many Hawks, being a Hawk is dangerous (you get in many bloody fights).
* This means the "Value" of a strategy depends on how many others are using it (Frequency Dependence).

'''2. The ESS (The "Locked-In" State)''':
Imagine a population of Doves who all share food.
* If a "Mutant" Hawk appears, they win every time and have many babies. The Hawk strategy "Invades."
* However, if a "Mutant" Dove appears in a population of Hawks, they might survive better by avoiding fights.
* An '''Evolutionary Stable Strategy''' is a mix (e.g., 60% Hawks, 40% Doves) where no new mutant can do better than the locals.

'''3. Cooperation (The Prisoner's Dilemma)''':
Standard game theory says "Always Betray." EGT says "If you play many times, Cooperation wins."
* In a population of "Betrayers," everyone is poor.
* In a population of "Cooperators," everyone is rich.
* Strategies like "Tit-for-Tat" allow cooperation to survive by "Punishing" the betrayers.

'''Hamilton's Rule (rB > C)''': Altruism evolves if the (r)elatedness to the person you help, times the (B)enefit they get, is greater than the (C)ost to you.
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