The quest for "similar instances" and "simultaneous possibilities": Metaphors in social dilemma research.

Since the time ofthe ancient Greeks, metaphors have been revered by scholars in all disciplines for their unsurpassed epistemological value. In this article, the authors review the role of the metaphor in the acquisition of knowledge and advancement of science, with specific emphasis on the ways in which metaphors have informed theory and research in social dilemmas. In highlighting the abundance and variety of social dilemma metaphors, the authors focus on metaphors' role in suggesting fresh theoretical perspectives, novel methodological approaches, and new insights with regard to solutions and practical applications. They suggest promising directions for future research and offer strategies for taking further advantage of the special relationship between metaphors and social dilemmas.