andrew nguyen/HBR Staff
One bad apple, the saying goes, can ruin the bunch. So, too, with employees.
Our research on the contagiousness of employee fraud tells us that even your most honest employees become more likely to commit misconduct if they work alongside a dishonest individual. And while it would be nice to think that the honest employees would prompt the dishonest employees to better choices, that’s rarely the case.
Among co-workers, it appears easier to learn bad behavior than...