What is a network effect?
A network effect occurs when a product becomes more valuable to each user as more people use it. Direct effects come from users of the same kind, such as members of a messaging app. Indirect, or cross-side, effects come from linked groups, such as buyers and sellers on a marketplace. Strong network effects can push a market toward one or two winners.
Why it matters to a revenue leader
Many commercial services companies do not have network effects in the strict sense, and sellers should not claim them. Data can create a weaker version, because a provider that services thousands of similar systems may learn failure patterns that improve its advice to every customer. For a founder selling software, a claimed network effect is something investors will test against real usage data.
Example
Fictitious numbersA software platform that schedules inspections for property managers adds 200 inspection providers in a region. Property managers now find a qualified provider within a day, so more of them join, which in turn draws more providers. Growth in one region speeds growth in the next only if the same managers own buildings there.
"Does each new customer make our offer better for the existing ones, and can we show it?"
Sources
- Network Effect - Corporate Finance Institute checked 9 Oct 2026
- Pipelines, Platforms, and the New Rules of Strategy - Harvard Business Review (Van Alstyne, Parker and Choudary, 2016) checked 9 Oct 2026
- Strategies for Two-Sided Markets - Harvard Business Review (Eisenmann, Parker and Van Alstyne, 2006) checked 9 Oct 2026