Evolutionary Psychology

Scientific American: Spontaneous patriotic chants and flag-waving crowds were sparked by word that Osama bin Laden had been killed earlier this week. Despite the man’s loathed reputation as the mastermind of the September 11 terrorist attacks, the jubilation over bin Laden’s death raises the question: Why the celebration? Was it More

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Years ago, in the early days of what’s now known as behavioral economics, researchers began to recognize that people often made decisions rational economic theory failed to predict. Many of these decisions were characterized by extremely negative responses to loss. When a person possessed an item, for instance, he demanded More