An entrepreneur's team proposes a new idea but it is rejected without review because of hierarchy. Which entrepreneurial ability is weak?

Correct answer: Open-mindedness and collaborative innovation

Innovation can come from any level of an organisation because employees often see customer problems and process opportunities directly. Rejecting an idea solely because of the proposer’s position prevents useful evidence from being considered and weakens collaboration. Open-minded leaders review ideas on their merits, test promising ones, and learn from feedback. Therefore A is correct.