Strategy question
What is the difference between horizontal and vertical integration?
- Meta
- Strategy
- Easy
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What this question tests
Foundational business strategy knowledge: whether the candidate can define and apply these concepts with a real example.
How to approach it
- Define horizontal integration: acquiring or merging with companies at the same stage of the value chain, for example a social network acquiring a competing social app.
- Define vertical integration: acquiring or building capabilities at different stages of the value chain, for example a company acquiring its own manufacturing or distribution.
- Give a real example of horizontal integration, such as Meta's acquisitions of Instagram and WhatsApp, both social and messaging products.
- Give a real example of vertical integration, such as Amazon building its own logistics and delivery network instead of relying solely on third party carriers.
- Explain the strategic tradeoff: horizontal integration grows market share and reduces competition, while vertical integration improves control and margins but increases operational complexity.
What a strong answer includes
- Grounds both definitions in real, well known examples rather than abstract textbook language alone.
- Explains the strategic 'why' behind each, market power for horizontal, control and margin for vertical, not just the definitions.
- Notes that a single company can pursue both simultaneously, as Amazon and Meta both have, showing the concepts are not mutually exclusive.
Common mistakes
- Giving only the dictionary definition without a real example or the strategic reasoning behind each choice.
- Confusing the two directions, for example calling supplier acquisition horizontal instead of vertical.
Likely follow-up questions
- Can you think of a company that pursued both strategies at once?
- What risk does vertical integration introduce that horizontal integration does not?
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Learn the skill behind it
Chapters of the AI PM course that teach what this question tests.
- Chapter 4: Discovery and strategy for AI products
- Chapter 9: Prove it paid off: outcomes, economics, and pricing
- Chapter 14: Get the job: the AI PM interview loop