Why should managers strive for a balance of history-based, present, and future-oriented metrics of performance?

1. Why might fewer goals be better than more goals and objectives?
2. Why should managers strive for a balance of history-based, present, and future-oriented metrics of performance?
3. What is meant by cascading goals and objectives?
4. What roles do strategy, vision, and mission play with respect to goals and objectives?
5. What are some ways to simplify goals and objectives?
6. When might fact-based objective setting be difficult or inappropriate?