Why not lie? Costs enforce honesty in an experimental signalling game.

Abstract

Communication depends on reliability. Yet, the existence of stable honest signalling presents an evolutionary puzzle. Why should animals signal honestly in the face of a conflict of interest? While students of animal signalling have offered several theoretical answers to this puzzle, the most widely studied model, commonly called the 'handicap principle… (More)
DOI: 10.1098/rspb.2013.2457

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