Testing the bargaining vs. inclusive fitness models of suicidal behavior against the ethnographic record

Evolution and Human Behavior Published In Pages: 1-14
By Syme, Kristen L., Garfield, Zachary H., Hagen, Edward H.


An individual with low reproductive potential and/or who perceives her or himself as a burden upon biological kin will be more likely to commit suicide.


Variables combined to test deCatanzaro's inclusive fitness model. In humans, individuals with low reproductive potential impose large fitness costs on biological kin and can improve inclusive fitness by commiting suicide.


Test NameSupportSignificanceCoefficientTail
Logistic regression; non-negative matrix factorization (NMF)SupportedUNKNOWNUNKNOWNUNKNOWN