Are 'Nice Guys' Less Successful After 30?

A recent article in the Harvard Business Review comes to a somewhat nauseating conclusion: Nice guys don't do as well at work as mean guys.
The author, Miriam Gensowski, who is an assistant professor of economics at the University of Copenhagen, describes a study she published this year in the journal Labour Economics. Genswoski analyzed the results of the Terman study, which followed a group of about 1,500 high-IQ individuals from childhood to old age (1920s to 1990s).