in a signaling-extended prisoner's dilemma. We identify a new type of evolutionary equilibrium - a transitional … behavior, preferences, and signaling. We thereby offer an explanation for persistent regularities observed in laboratory and … signaling costs between 'conditional cooperators' and 'opportunists.' Indeed, and quite surprisingly, a transitional equilibrium …

engage in a signaling-extended prisoner's dilemma. We prove the existence of a cooperative equilibrium constituted by a (set …, preferences, and signaling. We thereby offer an explanation for the persistent regularities observed in laboratory and field data …