Beware Those Toxic Co-Workers

Study says they undercut groups in destructive, expensive ways

Written byHarvard University
| 4 min read
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They bad-mouth you to work colleagues behind your back; they angrily demand the impossible from everyone but themselves; they make unwanted comments about your attire.

At some point in our careers, most of us have come across someone known as a “toxic worker,” a colleague or boss whose abrasive style or devious actions can make the workday utterly miserable. Such people hurt morale, stoke conflict in the office, and harm a company’s reputation.

But toxic workers aren’t just annoying or unpleasant to be around; they cost firms significantly more money than most of them even realize. According to a new Harvard Business School (HBS) paper, toxic workers are so damaging to the bottom line that avoiding them or rooting them out delivers twice the value to a company that hiring a superstar performer does.

Related article: Organizational Disrupters

While a top 1 percent worker might return $5,303 in cost savings to a company through increased output, avoiding a toxic hire will net an estimated $12,489, the study said. That figure does not include savings from sidestepping litigation, regulatory penalties, or decreased productivity as a result of low morale.

Despite their seeming ubiquity, quantifying bad apples is an understudied area.

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