身边的经济学·社会常识英语30篇（1）
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Why Platforms Grow Stronger as More People Join
为何平台随用户增多而愈发强大
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Platform businesses like ride-hailing apps or online marketplaces rely on network effects to succeed.
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Each new user makes the service more valuable for others already using it.
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For example, more drivers attract more riders, which in turn attracts even more drivers.
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This self-reinforcing cycle creates high barriers for new competitors trying to enter the market.
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Firms often lose money early on to grow their user base quickly and lock in dominance.
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Network effects also explain why dominant platforms can charge higher fees later.
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Regulators now study whether such growth leads to unfair control over pricing or data.
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Still, network benefits disappear if the platform fails to maintain safety and fairness standards.
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Governments sometimes require interoperability so users can move data between platforms freely.
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Understanding network effects helps explain both rapid innovation and rising market concentration.