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10 Common Thinking Errors Leaders Make

Mark Sanborn

A manager only listens to team members who agree with them, neglecting diverse opinions that could offer a new perspective. Examples: A project leader believes their team can complete a complex project in two months, whereas realistic estimates suggest six. Also know as “throwing good money after bad money.”

Dunning 86
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“Leadership Qualities” vs. Competence: Which Matters More?

Harvard Business Review

The other authors on the article are Murat Taraki (lead author) and Patrick Groenen, both at the Rotterdam School of Management. Greer : First, we wanted to understand when it’s ideal to have a strong hierarchy, and when it’s better to let groups manage themselves. What lessons should managers take away from these studies?