http://www.pnas.org/content/109/11/4086.full
Higher social class predicts increased unethical behavior
Seven studies using experimental and naturalistic methods reveal that upper-
class individuals behave more unethically than lower-class individuals. In
studies 1 and 2, upper-class individuals were more likely to break the law
while driving, relative to lower-class individuals. In follow-up laboratory
studies, upper-class individuals were more likely to exhibit unethical
decision-making tendencies (study 3), take valued goods from others (study 4
), lie in a negotiation (study 5),
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