Table 411 Sept 2026From “Acquisition growth loops need a declared entry event”

Why do growth loops fail?

Table 4Why do growth loops fail?

Failure pattern	Boundary to inspect	Evidence to retain	Safe disposition
Action recorded, no recipient	Transfer	Participant, event, channel, and timestamp	Keep as participant activity.
Recipient reached, no acceptance	Value or acceptance	Delivery, receiver, response, and reason	Hold the next entry.
Many outputs from one source	Eligibility and identity	Source unit, recipient identity, and deduplication key	Separate yield from unique entry.
Reward paid, no later state	Cost and outcome	Reward, cost, outcome window, and comparison	Report spend without claiming lift.
New entries arrive outside the rule	Population boundary	Entry definition, exclusions, and source	Reclassify or reject the entry.
Outcome changes after a campaign	Comparison and horizon	Exposure, comparison, timing, and alternatives	Preserve association only.

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Source: Table from this essay. Sources and interpretation are given in the article.

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From the essay

Growth that compounds

Acquisition growth loops need a declared entry event

An acquisition growth loop is measurable only when action, transfer, eligibility, reward cost, and the next outcome are defined under one boundary.

11 Sept 2026

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Isoglu, S. (2026). Why do growth loops fail? [Table]. isoglu.com. https://isoglu.com/insights/exhibits/isoglu-2026-growth-loops-need-a-declared-entry-event-fig04/

BibTeX

@misc{isoglu-2026-growth-loops-need-a-declared-entry-event-fig04,
  author = {Isoglu, Sinan},
  title = {{Why do growth loops fail?}},
  year = {2026},
  howpublished = {Table 4, isoglu.com},
  url = {https://isoglu.com/insights/exhibits/isoglu-2026-growth-loops-need-a-declared-entry-event-fig04/},
  note = {From the essay {Acquisition growth loops need a declared entry event}}
}

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