Ethnocentrism refers to the tendency to behave differently towards strangers based only on whether they belong to the ingroup or the outgroup. It is a widespread phenomenon that can be triggered by arbitrary cues, but the origins of which is not clearly understood. In a recent simulation model...

Vampires are a prominent feature of modern culture. Past research identifies the ecological and economic relationship between vampires and living humans under the assumption that 'representative agents' are capable of characterising entire communities. Whether populations of individuals can...