Costly signaling theories: beyond the handicap principle
Two recent overviews of costly signalling theory-Maynard-Smith and Harper (2003) and Searcy and Nowicki (2005)-both refuse to count signals kept honest by punishment of dishonesty, as costly signals, because (1) honest signals must be costly in cases of costly signalling, and (2) punishment of dishonesty itself requires explanation. I argue that both pairs of researchers are mistaken: (2) is not a reason to discount signals kept honest by punishment of dishonesty as cases of costly signalling,...[Show more]
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