Hamel and Prahalad’s '40/30/20 rule' is mainly used to illustrate that senior managers typically:

Question

BlackTom AI · Accepted Answer

Hamel and Prahalad’s 40/30/20 rule states that senior managers typically allocate their attention unevenly: roughly 40% to current, urgent operational matters, about 30% to fixing problems and incremental improvements, and only about 20% to long‑term, future‑shaping activities such as developing a deeply shared corporate view of the future.

1) Relevant knowledge points and concepts
- Time allocation: senior managers’ limited time must be split among urgent operations, improvement activities, and strategic thinking.
- Urgent vs. important: day‑to‑day urgencies often crowd out long‑term priorities.
- Strategic leadership: building a shared corporate vision requires sustained, deliberate time and conversation.

2) Step‑by‑step reasoning
- Step 1: Accept the rule’s percentages as descriptive: 40% operational, 30% improvement, 20% future strategy.
- Step 2: Compare the shares: 40% + 30% + 20% = 90% of attention (the rule is illustrative, not a strict accounting), showing the large share devoted to immediate and near‑term tasks.
- Step 3: Note that only ~20% is left for long‑term visioning work — a small proportion relative to urgent demands.
- Step 4: Conclude that with the majority of time consumed by urgent and incremental tasks, senior managers devote very little sustained time to building a deeply shared corporate view of the future.

3) Calculations (intermediate steps)
- 40% (urgent) + 30% (improvement) = 70% on short/near‑term matters.
- 70% + 20% (future) = 90% total described; the key point is the ratio: 70% short/near‑term vs. 20% long‑term.

4) Why the correct answer is correct
Because the rule explicitly highlights that most managerial time is consumed by urgent and incremental activities, leaving only a small fraction for collective, long‑range strategic thinking—so managers “devote very little time to building a deeply shared corporate view of the future.”

5) Why the other options are incorrect
- Option b (too much time on customer research vs. cost reduction) is not what the 40/30/20 breakdown describes; it’s about urgency vs. long‑term vision, not research vs. cost tradeoffs.
- Option c (overinvest in scenario planning at expense of operational discipline) is the opposite of the rule: the rule says operational/urgent work dominates, not that scenario planning is overinvested.

Conclusion: The correct choice is a., matching the provided answer: senior managers devote very little time to building a deeply shared corporate view of the future because urgent matters crowd out the important.

Hamel and Prahalad’s '40/30/20 rule' is mainly used to illustrate that senior managers typically:单项选择题

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