Understanding Libertarian Morality: The Psychological Dispositions of Self-Identified Libertarians Iyer, Ravi ; Koleva, Spassena ; Graham, Jesse ; Ditto, Peter ; Haidt, Jonathan Abstract Publication: PLoS ONE Pub Date: August 2012 DOI: 10.1371/journal.pone.0042366 Bibcode: 2012PLoSO...742366I