---
id: "claim-ecosystem-value-external"
type: "claim"
source_timestamps: ["\\\"§ Five Implications for Managers", "Investors", "and Founders\\\""]
tags: ["execution-risk", "valuation", "third-party-risk"]
related: ["concept-ecosystem-synergies", "action-distinguish-valuation-sources"]
confidence: "high"
testable: true
speakers: ["Natalie Burford", "Andrew Shipilov", "Nathan Furr"]
source_url: "https://hbr.org/2026/06/when-evaluating-an-ma-opportunity-consider-the-broader-digital-ecosystem"
source_title: "When Evaluating an M&A Opportunity, Consider the Broader Digital Ecosystem"
sources: ["ecosystem"]
sourceVaultSlug: "hbr-seg-ecosystem"
originDay: 11
articleStem: "hbr-cl-80-ma-digital-ecosystem"
sourceUrl: "https://hbr.org/2026/06/when-evaluating-an-ma-opportunity-consider-the-broader-digital-ecosystem"
sourceTitle: "When Evaluating an M&A Opportunity, Consider the Broader Digital Ecosystem"
---
# Ecosystem Synergies Depend on Actors Outside the Firm's Control

**Confidence:** high · **Testable:** yes

Unlike internal synergies (cost-cutting, combining sales teams), [[concept-ecosystem-synergies]] are fundamentally dependent on the actions of third-party ecosystem members — [[concept-complementors]] such as developers choosing to build new integrations or partners adopting the combined platform. Because these actors remain **outside the direct control** of the merged firm, ecosystem-driven M&A carries a unique type of execution risk.

Managers cannot simply assume complementors will automatically adopt or integrate the newly merged firm's offerings; the combined components must be *actively attractive* to external developers. This is the load-bearing claim behind the contrarian reframing in [[contrarian-ma-value-source]] and behind the investor action [[action-distinguish-valuation-sources]]. It is stated most memorably in [[quote-actions-of-others]].

**Enrichment note:** Strongly supported by the underlying SMJ paper's framing — its definition centers on changes in external cooperative environments and complementors, which implies execution depends on third-party adoption and engagement rather than only internal integration. The associated (unresolved) problem is quantification: see [[question-quantifying-ecosystem-synergies]]. Standard practice for such uncertain synergies uses scenario analysis, sensitivity analysis, and probability-weighted assumptions.


## Related across articles
- [[claim-f2f-drives-innovation]]
- [[claim-zero-authority-empowers]]
- [[concept-living-organizational-interface]]