The Psychology Behind Social Engineering Trust and Authority ... to comply without verifying the legitimacy of the request. Reciprocity The principle of reciprocity, which is the social norm ...

Alfaro, Laura, Ester Faia, Nora Lamersdorf, and Farzad Saidi. "Social Interactions in Pandemics: Fear, Altruism, and Reciprocity." NBER Working Paper Series, No ...