Constantly pretending your boss's dumb jokes are funny can lead to emotional exhaustion and lower job satisfaction, academics found

• Bosses who make too many jokes can actually harm employee wellbeing, a new study found. 
• The study, from academics at three elite universities, looked at the impacts of fake positive reactions to jokes by employees.
• The study suggests that bosses need to be thoughtful about how they express humor. 

Funny bosses can ease up a serious meeting or lighten the mood, but a new study has found that cracking too many jokes could actually harm employee wellbeing.