Cooperation between nationalities

In three online experiments in which 2,216 individuals ages 18-83 participated in prisoner’s dilemma scenarios, researchers found that people held shared expectations, or stereotypes, regarding the cooperation of partners from other nations, and that these often erroneous stereotypes in combination with differences in wealth and the presence of a shared nationality influenced the participants’ behavior toward their partners, providing insights into the determinants of cooperation between people from different nations. - Read at PNAS.org

Article #16-01294: “Multinational investigation of cross-societal cooperation,” by Angela R. Dorrough and Andreas Glöckner.