%0 Journal Article %J Evolutionary Human Sciences %D 2020 %T Why do religious leaders observe costly prohibitions? Examining taboos on Mentawai shamans %A Singh, M %A Henrich, J %B Evolutionary Human Sciences %V 2 %P doi:10.1017/ehs.2020.32 %G eng %U https://osf.io/3mbkz/ %N E32