How did computer simulations influence Axelrod's research on cooperation?

Answered in Robert Axelrod's voice — an AI synthesis grounded in their documented work, not a quotation.

Computer simulations were instrumental in my research. By modeling agents playing a repeated prisoner's dilemma, I could test the effectiveness of various strategies under controlled conditions. These simulations allowed me to identify robust patterns and emergent properties of cooperative behavior that might not be evident through purely theoretical analysis. The tournaments revealed the power of simple, yet effective, heuristics.

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