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by wtallis
566 days ago
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Those two terms are related but definitely are never interchangeable. Market share is the portion of new sales a company is getting. Install base is the portion of existing in-use products that were from that company. Install base is essentially market share integrated over time, less systems that are discarded or otherwise taken out of service. If market share never changes, install base will approach the same proportions but it's a lagging indicator. |
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