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Class Actions, Settlement Economics and Applicant-Side Attribution, Evidence and Weight
A Judicial Legibility Series paper on why visibility and measurement are not enough. The issue is what evidence may support the attribution of deductions claimed from settlement value.
Version 1.1 | June 2026
Download Paper 1c PDF
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Boundary note
This paper is public education and institutional analysis.
It is not legal advice and does not recommend any litigation model or legal service model.
Paper Details
| Field | Details |
|---|---|
| Paper | Paper 1c |
| Series | Judicial Legibility Series |
| Title | When Cost Becomes Supervised |
| Subtitle | Class Actions, Settlement Economics and Applicant-Side Attribution, Evidence and Weight |
| Version | 1.1 |
| Date | June 2026 |
| Author | Nicky Z. Y. Wang |
| Audience | Judges, judicial associates, lawyers, academics, policy readers and others interested in Australian class action procedure. |
| Companion papers | Paper 1a • Paper 1b • Paper 1d |
| Status | Published |
Abstract
Australian class actions bring litigation economics into court in a way ordinary bilateral settlements usually do not.
Settlement approval may expose legal costs, funding charges, administration expenses, releases, distribution arrangements and proposed net group-member return. But exposure is not attribution.
This paper addresses the proof point. It asks what material may support the asserted connection between an applicant-side economic step and a deduction later claimed from settlement value.
The conclusion is narrow. The paper proposes no new judicial rule. It is concerned with evidence and weight within existing settlement approval functions.
Central question
What evidence may support the attribution of deductions claimed from settlement value in class action settlement approval?
This paper explains how attribution differs from visibility and measurement. It considers when contemporaneous, objective material may assist courts in evaluating deductions without reconstructing privileged litigation strategy.
Key ideas
1. Exposure is not attribution
Settlement materials may identify a deduction without proving how that deduction became a claim on settlement value.
2. Visibility, measurement and attribution are different
Paper 1a concerns timing and visibility.
Paper 1b concerns measurement.
Paper 1c concerns attribution, evidence and weight.
3. Attribution is limited
Attribution matters only where the basis of the claimed deduction makes the connection material.
4. Proof comes before weight
Material relied upon for attribution assists only to the extent it proves the asserted attribution path.
5. The paper stays within existing judicial functions
It does not ask courts to adopt a new framework, expand settlement approval or reconstruct privileged litigation strategy.
Scope
This paper does not examine:
whether class actions are generally beneficial or harmful;
whether litigation funding should be encouraged or restricted;
whether settlement approval law should be reformed;
whether any deduction is inherently suspect; or
whether any legal service model should be preferred.
Its purpose is narrower.
It explains the evidentiary distinction between visibility, measurement and attribution.
Best entry point
Start with this paper if your primary question is:
What evidence may justify giving weight to a deduction claimed from settlement value?
Read Paper 1a first if your question is when cost becomes visible.
Read Paper 1b first if your question is what settlement materials make measurable.
Read Paper 1d next if you want an illustrative attribution schedule.
Companion papers
Paper 1a When Cost Becomes Visible
Class Actions and the Timing of Judicial Supervision
Read for the timing problem: why cost may become visible after work, risk and procedural commitments have already formed.
Paper 1b When Cost Becomes Measurable
Class Actions, Settlement Data and the Measurability of Litigation Economics
Read for the measurement problem: what settlement approval materials make capable of identification and comparison.
Paper 1d Illustrative Attribution Schedule
Non-Privileged Applicant-Side Materials
Use this as an illustration only. It proposes no mandatory structure, disclosure obligation, privilege waiver or preferred legal practice.
Download
Related reading
Paper 1a: When Cost Becomes Visible
Paper 1b: When Cost Becomes Measurable
Paper 1d: Illustrative Attribution Schedule

