The brands at the centre of the supermarket discount cases are paying a regulatory cost. The bigger cost is the one that does not show up in court.

Key Takeaways

1. Pricing communication failures produce a measurable, persistent brand cost beyond regulatory penalty. The fines and community service orders are the visible cost. The trust erosion that follows is larger, lasts longer, and is harder to recover.

2. The Trust Penalty shows up first in brand metrics, then in commercial outcomes. Consideration narrows. Willingness to pay a regular-price premium softens. Switching consideration widens before churn appears in retention data. By the time revenue reflects the penalty, the brand is already several quarters into the recovery cycle.

3. The brands that recover fastest are the ones that detected the trust erosion early. Standard quarterly tracking is too slow and too aggregated. The diagnostic depth required to detect a Trust Penalty in time to manage it is built into the measurement program before the issue arises, not after.

4. The ACCC cases will reset what every Australian retailer can claim. Whatever the Federal Court rules, the boundaries of acceptable discount communication will tighten. Marketing teams that wait for the judgments to redesign their measurement programs will be measuring the wrong things during the year that matters most.

The Australian Competition and Consumer Commission's Federal Court cases against Woolworths and Coles are unusual not because of their scale, although the scale is significant: 266 products and 20 months for Woolworths, 245 products and 15 months for Coles. They are unusual because of the proposition the regulator is testing.

The ACCC alleges that both supermarkets temporarily raised prices on a long list of common products by at least 15%, then dropped those prices to a level still higher than the original regular price, and labelled the result a "Prices Dropped" or "Down Down" promotion. Woolworths' barrister has argued that the "prices dropped" labels were literally true. The ACCC has argued that "literally true" and "actually misleading" are not the same thing in consumer law.

Whatever the Federal Court decides, the senior marketers watching this case from outside the supermarket sector should not be reading it as a regulatory story. They should be reading it as a brand-trust story. Because the cost most likely to follow the judgment is not the fine. It is the Trust Penalty.

What the Trust Penalty is

The Trust Penalty is the persistent, asymmetric brand cost a company pays after its commercial communications are revealed to have been misleading, manipulative, or unreliable. It is not paid as a single charge. It is paid as a slow erosion of consideration, willingness-to-pay and switching defensibility, and it persists long after the original incident is resolved.

The Trust Penalty is asymmetric in two ways that matter commercially.

First, it is paid disproportionately by the brand category leader. The bigger and more visible the brand, the more its trust erosion ripples into adjacent metrics. A small player accused of misleading pricing creates a small story. A category leader accused of the same conduct rewrites how an entire customer base feels about its weekly shop.

Second, the cost is paid over a much longer window than the misconduct itself. The Woolworths conduct the ACCC describes ran for 20 months. The Trust Penalty, if it crystallises, will be paid across the next several years of consideration data, switching behaviour, and pricing power.

This is what makes the Trust Penalty particularly difficult to manage commercially. By the time a finance team can see it in the revenue line, the underlying brand dynamic is well advanced. The marketing team that detects it in tracking data first has months of head start on the team that waits for sales results.

Why a regulatory fine is the smaller cost

Regulatory penalties are bounded, dated, and accounted for. The ACCC has signalled it will seek significant penalties and community service orders that fund charity meal delivery programs. These costs will appear on a single line in a single annual report and they will be paid.

The Trust Penalty does not work that way. It is paid in three commercial dimensions, each of which compounds.

Consideration narrows. When a brand's pricing claims are publicly questioned, consumers who were previously default users begin actively considering alternatives. This shows up in tracking as a softening of "first brand I think of" metrics, an expansion of competitive consideration sets, and an increase in the proportion of category occasions where the previously dominant brand is not the chosen one. The shift is small per customer but large in aggregate.

Willingness to pay a regular-price premium softens. Brands with strong pricing power earn the right to hold prices that competitors cannot. That right is bound up in trust. When trust erodes, customers become more responsive to competitor offers, more likely to switch on small price differences, and more attentive to "is this actually a good price" cues that they previously did not register. The brand has not become weaker on awareness or familiarity. It has become weaker on the specific perceptions that allow it to maintain margin.

Switching defensibility weakens. A brand with strong trust occupies what the existing Brand Health work has called a Switching Window: a customer is psychologically open to leaving even before observable churn behaviour begins. When the Trust Penalty is active, that window opens wider and stays open longer. Retention efforts that previously worked at low cost begin to require larger discounts, more aggressive offers, or more frequent intervention to produce the same retention rates.

These three dynamics interact. The brand pays more to retain customers, retains them at lower margin, and faces a wider competitive set on every category occasion. None of this shows up cleanly in monthly revenue reports for several quarters. All of it is detectable in well-designed brand tracking from the moment the trust erosion begins.

What the ACCC cases are likely to reset

The Federal Court will rule on whether the supermarkets' specific conduct breached the Australian Consumer Law. But the impact of the case is not confined to the specific finding. Three broader resets are likely regardless of which way the judgments land.

The boundary of acceptable discount communication will tighten. Even if the supermarkets win on their narrower legal arguments, the public visibility of the conduct will change consumer expectations of what "Prices Dropped" or "Down Down" actually mean. Retailers in adjacent categories that use comparable communication strategies will be assessed against a standard that has effectively shifted, even if the legal standard has not.

Was/now pricing claims will face structural scrutiny. The ACCC's argument depends on a comparison between a long-term regular price, a short-term inflated price, and a subsequent "discount" price. Retailers across categories use was/now pricing widely. The cases will inform internal reviews of how those claims are structured, regardless of the outcome.

The link between pricing communication and brand trust will be made explicit. Most retail organisations measure pricing perception through one tracker (typically value-for-money or price-relative-to-competitors) and brand trust through another. The Trust Penalty makes clear these are not separate measurement domains. They are linked, and the link runs from pricing communication to brand trust to commercial outcome.

For senior marketers in retail, FMCG, financial services, telecommunications and any category where promotional communication is a significant share of brand activity, the question is no longer whether their pricing communication is legally defensible. It is whether their measurement program is designed to detect a Trust Penalty if one begins to form.

How a Trust Penalty surfaces in tracking, and what to look for

Standard quarterly tracking is generally too slow and too aggregated to detect a Trust Penalty in time to manage it. The reasons are structural, not analytical.

A standard tracker reports on stable metrics: awareness, consideration, favourability, satisfaction. Each of these can hold steady or even improve while a Trust Penalty is forming. A brand can become more recognised, more familiar, and more salient at the same moment that its specific perceptions of integrity, fairness, and pricing trust are weakening. Aggregate metrics conceal segment-level dynamics that move first.

The metrics that move first when a Trust Penalty is forming are typically:

• Pricing integrity perceptions. "I trust this brand to be fair on price." "I believe their advertised prices reflect a real saving." "I feel this brand is upfront about pricing." These rarely appear in standard trackers and almost never appear with the granularity required to detect short-window movement.
• Comparative attention. The proportion of category occasions on which a customer actively compares the brand against alternatives, rather than defaulting. This is a behavioural signal that leads switching by months.
• Promotional responsiveness. The lift required to motivate purchase shifts when trust is eroding. Customers who previously responded to a small offer require a larger one. Brands measuring promotional response without a trust overlay miss this until it shows up as margin pressure.
• Segment-level sentiment. Trust erosion typically begins in a specific customer segment (often the most engaged, most informed, or most price-attentive) before it spreads. Aggregate scores move last.

A measurement program designed to detect a Trust Penalty captures these specific perceptions, tracks them at segment level, and calibrates them against actual switching and pricing behaviour. The program does this before any incident, not in response to one. By the time a brand needs to know whether a Trust Penalty is forming, the measurement infrastructure has to already be in place.

What this looks like in practice

Consider a hypothetical retailer adjacent to the supermarket sector. The retailer uses a quarterly brand tracker that reports awareness, consideration, satisfaction and price perception. The tracker shows price perception softening over two quarters but holding within historical bounds. Awareness and satisfaction are stable. Consideration is up modestly. The marketing team reports the brand is in good shape.

A custom diagnostic study, run because senior leadership wants visibility ahead of the post-budget planning cycle, produces a different picture. Pricing integrity perceptions among the most engaged customer segment have dropped materially over the same two quarters. Comparative attention is up significantly in the same segment. Promotional responsiveness across a range of product categories has weakened, requiring larger offers to produce the same lift. None of these movements is visible in the standard tracker.

The custom diagnostic identifies a Trust Penalty forming, six to nine months before it would appear in revenue. The marketing team responds: pricing communications are reviewed, pricing claims are tightened, and segment-level trust perceptions are re-monitored monthly. By the time the dynamic would have begun affecting commercial outcomes, the underlying perception has stabilised.

This pattern is not unusual. It is the normal lifecycle of how a brand recovers from a trust event without ever experiencing the commercial damage. The brands that struggle are not the ones with weaker brands. They are the ones whose measurement programs were not designed to detect the dynamic in time.

The broader principle

The ACCC pricing cases are a particular instance of a general principle. Brand trust is a commercial asset. It produces measurable advantage in consideration, pricing power, and retention defensibility. When it erodes, it erodes asymmetrically and with a long tail. The Trust Penalty is the name for the cost a brand pays during that erosion, and the recovery period that follows.

For senior marketers, three implications follow.

First, regulatory risk and brand risk are not separable. Communications that pass legal review can still produce material brand cost if they are received as misleading, manipulative, or unreliable. The legal standard is necessary but not sufficient.

Second, standard tracking is generally not designed to detect trust dynamics with the speed required to manage them. The brands that recover fastest from trust events are the ones whose measurement programs were already built to capture the relevant perceptions, at segment level, before any incident.

Third, the boardroom argument for investing in this kind of measurement is straightforward. The cost of detecting a Trust Penalty early is small relative to the cost of detecting it through revenue. The brands that build the diagnostic capacity in advance are buying optionality on a class of risk that, as the ACCC cases show, no large brand can credibly assume it does not face.

The Federal Court will deliver its judgments in due course. Whichever way they land, the question for senior marketers is the one they should have been asking before the cases began. If a Trust Penalty were forming in their brand right now, would their measurement program be the thing that told them?

Frequently Asked Questions

What is the difference between a regulatory penalty and a Trust Penalty?

A regulatory penalty is a defined cost imposed by a regulator, paid once, and accounted for in a single reporting period. A Trust Penalty is a brand cost that accrues over a longer period through eroded consideration, weakened pricing power, and reduced retention defensibility. The two are not alternatives. A brand can pay both, and the Trust Penalty is generally the larger of the two for category leaders. The Trust Penalty is also paid by brands that never face regulatory action, when their commercial communications are received as unreliable for other reasons.

How long does a Trust Penalty typically last?

There is no fixed window. The duration depends on the severity of the trust event, the prior strength of the brand, the speed and credibility of the brand's response, and the degree to which competitors capitalise on the moment. Recovery is typically measured in years rather than quarters, and recovery is rarely complete in the first cycle. Brand tracking calibrated to the relevant perceptions provides the only reliable view of where in the recovery a brand actually sits.

Can a Trust Penalty be detected before it affects commercial results?

Yes, but only by measurement programs designed to detect it. Standard quarterly trackers that report aggregate awareness, consideration, satisfaction and favourability typically miss the early signals because the relevant perceptions are more specific (pricing integrity, comparative attention, segment-level sentiment) and the relevant dynamics happen at segment level before they appear in headline numbers. A diagnostic measurement program, built before any incident and calibrated against actual behavioural outcomes, can detect a forming Trust Penalty months before it shows up in revenue or churn data.

If your brand's pricing communications are about to face new scrutiny, your measurement program needs to be ahead of it

If you are operating in a category where promotional communication is a significant share of brand activity, and you do not currently have a measurement program designed to detect trust dynamics at segment level, you are not alone, but the ACCC cases are likely to make this gap more visible. Brand Health designs custom research that calibrates pricing integrity, comparative attention and segment-level trust perceptions against the behavioural outcomes that actually determine commercial performance.

Schedule a free 30-minute consultation to discuss what your brand metrics may be missing as the pricing-trust environment tightens.

Tom Morris is the Managing Director of Brand Health, an Australian brand research and brand strategy consultancy. He works with senior marketing leaders to design measurement programs that connect brand performance to commercial outcomes.