According to Bennett Tepper, a professor of managerial sciences at Georgia State University in Atlanta, studies show that 10 to 16 percent of employees are bullied by their supervisors. And an outstanding 50 percent of employees report having worked for an abusive manager during their career.
SOURCES: "Three Tips for Coping with a Nightmare Boss" by Andrea Coombes, Marketwatch (July 20, 2006).