Employees show more creativity in their work when they find their boss to be humble -- leaders who give employees a chance to speak up and have a voice in the decision-making process and who also acknowledge their own limitations, suggests new research. Humble leaders are most effective when team members expect a low degree of distance between the leaders and followers, said lead researcher Jia (Jasmine) Hu, Associate Professor at The Ohio State University's Fisher College of Business in the US.