Good Strategy & Bad Strategy by Richard Rumelt | Book Summary

Book Summary of “Good Strategy & Bad Strategy” by Richard Rumelt: Unveiling the Characteristics of Effective Strategic Thinking

“Good Strategy & Bad Strategy” is a compelling exploration of what constitutes effective strategy and how it differs from poor or ill-defined strategies. Richard Rumelt, a renowned strategy scholar, highlights the common pitfalls and misconceptions that lead to bad strategy and proposes a framework for developing good strategy. He emphasizes the importance of identifying critical challenges and creating coherent plans to address them. The book provides real-world examples and practical insights to guide leaders and organizations in crafting clear, actionable, and successful strategies.

Outline Summary: The book is structured into three parts, each examining essential aspects of strategy. Part I dissects the characteristics of bad strategy and how it fails to address the core challenges. Part II presents the core elements of good strategy, including diagnosis, guiding policy, and coherent actions. Part III discusses the leadership and implementation required to turn good strategy into effective action.

Core Elements of Good Strategy

  1. Diagnosis: Good strategy starts with a clear and honest assessment of the organization’s strengths, weaknesses, opportunities, and threats. It involves identifying the most critical challenges that need to be addressed to achieve the organization’s goals.

Example: A struggling company undergoes a thorough diagnosis, discovering that its outdated product line and lack of innovation are major challenges impacting its competitiveness in the market.


  1. Guiding Policy: A good strategy involves creating a guiding policy or a coherent approach to tackle the identified challenges. It outlines the key principles and actions that will guide the organization towards its objectives.

Example: The company from the previous example formulates a guiding policy that emphasizes innovation and customer-centricity, aiming to revitalize its product line and regain market share.


Practical Application with Examples from the Book

  • Kernel of Good Strategy: Rumelt introduces the concept of the “kernel” of a good strategy, which consists of a diagnosis, a guiding policy, and coherent actions. Practical application involves crafting a strategy that aligns these elements to create a clear and actionable roadmap for success.
  • The Logic of Good Strategy: The book explores how good strategy is based on a logical approach that addresses the most critical challenges. Practical application involves using this logic to prioritize and allocate resources effectively.

Core Lessons

  1. Good strategy is based on a clear diagnosis of the organization’s challenges and opportunities.
  2. A guiding policy provides a coherent approach to addressing the identified challenges.
  3. Coherent actions translate guiding policy into concrete steps and initiatives.
  4. Strategy requires leadership and commitment to execution for successful implementation.
  5. Bad strategy is often characterized by vague goals, wishful thinking, and lack of action.

Key Takeaways

  • “Good Strategy & Bad Strategy” offers a pragmatic framework for crafting effective strategies.
  • Identifying and addressing the most critical challenges is key to developing good strategy.
  • Leaders must ensure a logical, coherent, and action-oriented approach to strategy development and execution.

In conclusion, “Good Strategy & Bad Strategy” by Richard Rumelt is a thought-provoking exploration of effective strategic thinking. By understanding the core elements of good strategy and avoiding the pitfalls of bad strategy, leaders can create clear, actionable, and successful plans to address critical challenges and achieve organizational goals. The book’s practical insights and real-world examples provide valuable guidance for leaders seeking to navigate the complexities of strategic decision-making and implementation.

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