"I can say to someone, 'I gave this person a banana, and they were supposed to give me strawberries in return, but they didn't.' It's a powerful enforcer of reputation," Brosnan said.
The results of this research help scientists to better understand the roots of human economic behavior, Beran explained.
"We need to continue these kinds of tests with nonhuman animals to properly place human behavior in context with nonhuman behavior, and to understand the evolutionary roots of human economic decision making," he said.
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| Contact: Jeremy Craig jcraig@gsu.edu 404-413-1357 Georgia State University Source:Eurekalert |