Well I can tell you that it must, from the organisation's point of view. Hiring/training/maintaining a work-force isn't free, and the tacit knowledge the employ

Well I can tell you that it must, from the organisation's point of view. Hiring/training/maintaining a work-force isn't free, and the tacit knowledge the employees gain has value, so a high churn rate is bad. Again, from an organisation's point of view.