Stability as a Capability, Not a Slogan

The question running through this series is why founding-team stability can matter more as a young venture develops. The answer supported by the evidence is conditional: early collaboration can create organization-specific capital, and that capital may become more embedded in relationships, routines, and shared judgment as the venture operates. This final synthesis turns that idea into a calibrated judgment. It connects survival, scale, productivity, and survivor performance; distinguishes retaining a person from retaining a capability; and sets boundaries on what a manager can infer from two studies that examine different populations and different kinds of team change.

What “more over time” actually means

The phrase does not describe a magical property of age or a single universal curve. It describes a sequence. A founding or new-venture team enters with individual skills, but it also spends time forming an organization. Members develop a way to divide work, interpret incomplete information, maintain customer and supplier relationships, and decide which parts of the business model can change. The Census paper represents that formation work as organizational capital and asks what happens when the capital is partly embodied in the people who created it.

At the beginning, the loss of one person may remove a contribution that has not yet become deeply connected to other parts of the venture. Later, the same person may be carrying more context: a history of customer commitments, a working relationship with a supplier, a routine for resolving a recurring problem, or a complement to another member’s judgment. More time can therefore increase the amount at stake. But time can also give the venture an opportunity to document work, spread relationships, train replacements, and create redundancy. The relevant variable is not age alone. It is the balance between accumulated interdependence and the organization’s ability to transfer it.

That balance explains why the evidence should be read as a relationship among team, time, and capability. The Danish study’s abstract reports that new-venture team stability has a positive effect on long-run organizational growth and that the effect becomes stronger over time. Its managerial summary reports stable ventures with a 16.1 percentage-point higher likelihood of survival and a 20.4% increase in average size after ten years. The U.S. Census study approaches the question from the other side: after an abrupt founding-team separation, employment, revenue, and productivity remain below the matched comparison path, and survival is more than ten percentage points lower five years after the event.

Those findings point in the same direction without being the same estimate. The Danish result concerns stability in Danish new ventures from 1981 to 1997 and is available here at the abstract and research-record level. The U.S. result concerns premature deaths among active founding-team members in young U.S. employer firms, uses a matched difference-in-differences design, and follows firms for five years. One reports the long-run benefit associated with stable composition; the other reports the consequence of a particular forced loss. “More over time” is therefore best understood as a supported theme across evidence, not as a percentage that can be transferred unchanged to every startup.

One model, four outcomes

The organizational-capital model helps connect outcomes that can otherwise look unrelated. If a member’s relationships, routines, or judgment are part of how the venture produces, then a separation can affect the firm at several points in the same system.

Survival is the threshold outcome. A young firm has fixed operating costs and must generate enough activity to continue. If a team loss reduces effective productivity or weakens important relationships, revenue may fall below what the organization needs to sustain itself.