title: Economic games and social neuroscience methods can help elucidate the psychology of parochial altruism.
authors.affiliation: Department of Experimental Psychology, University of Oxford Oxford, UK.
authors.forename: Jim A C
authors.initials: JA
authors.lastname: Everett
authors.affiliation: Department of Experimental Psychology, University of Oxford Oxford, UK ; Oxford Martin School, University of Oxford Oxford, UK.
authors.forename: Nadira S
authors.initials: NS
authors.lastname: Faber
authors.affiliation: Department of Experimental Psychology, University of Oxford Oxford, UK.
authors.forename: Molly J
authors.initials: MJ
authors.lastname: Crockett
authors.affiliation: Department of Psychology, University of Amsterdam Amsterdam, Netherlands ; Center for Research in Experimental Economics and Political Decision Making, University of Amsterdam Amsterdam, Netherlands.
authors.forename: Carsten K W
authors.initials: CK
authors.lastname: De Dreu
keywords: beliefs; economic games; ingroup favouritism; oxytocin; parochial altruism; preferences; testosterone