Communtication in a Common Pool Resource Environment with Probabilistic Destruction
We replicate and extend an experiment due to Walker and Gardner by investigating the effect of communication in a common pool resource subject to probabilistic destruction when group appropriation exceeds a safe zone. We replicate the Gardner and Walker result that destruction of the resource is rapid and efficiencies are low when communication is not allowed. Face-to-face communication significantly increases mean efficiency. Three groups of five sustain a “good” Nash equilibrium in the safe zone. The remaining two groups quickly destroy the resource. Achieving a “good” equilibrium is highly dependent on the emergence of a leader in the group communication.
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