Maxmin decision making can take place at an individual or a coalitional level. We allow evolution to choose between the two, determining the relative shares of individual and coalitional decision making. We consider factors that favor or disfavor the evolution of coalitionality and apply our framework to social dilemmas, oligopolistic price competition and voting on committees.
Coauthored with Miharu Naono.
Published in Games and Economic Behavior (2025). Link to paper.
The thumbnail image is of a coalition of two bandits collaborating to attack a knight.