Ingela Alger, and Jörgen W. Weibull, “Evolution leads to Kantian morality”, IAST Working Paper, n. 14-10, June 2014, revised June 2015.
Ingela Alger, and Donald Cox, “The Evolution of Altruistic Preferences: Mothers versus Fathers”, IAST working paper, n. 12-02, December 31, 2012, revised May 2013.