Due to betrayal aversion, people take risks less willingly when the agent of uncertainty is another person rather than nature. Individuals in four countries (Brazil, Switzerland, the United Arab Emirates and the United States) confronted either a binary-choice trust game or a risky decision...

We employ experiments to illustrate one factor contributing to the lack of distrust in the recent corporate scandals: Trust rather than no trust was the default. Holding the expected returns from trusting constant, people are more trusting when the default is trust than when it is no trust. In a...