The collection of scientific contributions in this special issue explores the role of social norms
in guiding collective behavior and the complexities of enforcing these norms in polarized …

Individuals often have the power to manipulate which of their multiple dimensions of social
identity are salient when entering economic interactions. This paper represents the first …

We introduce the “blue lie game”, where subjects can decide to lie in favor of their ingroup
and to the detriment of the outgroup. We find that blue lies are pervasive, no matter the …

Do political identities influence workers' willingness to cooperate at work? Do workers prefer
copartisans over outpartisans as colleagues even at the expense of competence? This …