Unverified50% confidenceFactExact time
Buffett described the moat as "a castle moat that is continuously widened," with typical sources including brand, network effects, switching costs, economies of scale, and proprietary technology.
1
Sources
50%
Confidence
Long-term
Relevance
11/2/2026
First Seen
Sources
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Related Claims
Unverified护城河概念源自沃伦·巴菲特的投资哲学，传统理论将其归纳为成本优势、网络效应、无形资产与转换成本四类67% similarUnverifiedThe moats of existing industries include customer relationships, compliance systems, industry know-how, and switching costs.65% similarUnverifiedOnce enterprises have built their data pipelines, warehouses, and toolchains, migration costs are extremely high, resulting in stronger customer lock-in and renewal rates.54% similar
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