The standard commercial intuition is that low prices are universally attractive. The price-quality heuristic research establishes that this is true for commodities with visible and comparable quality, and false for most other products. For experience goods, credence goods, and unfamiliar products from unknown vendors — the conditions that characterise most entrepreneurial products — low prices do not simply communicate affordability. They communicate doubt.

The symmetric operation of the price-quality heuristic

Rao and Monroe’s (1989) meta-analysis confirmed that the price-quality heuristic operates symmetrically: just as high prices signal high quality, low prices signal low quality, independently of the actual quality delivered. The customer who encounters a product priced substantially below the category norm is not simply experiencing a bargain opportunity. They are encountering a question: why is this so cheap?

The question is generated automatically, through System 1 pattern-matching rather than deliberate analysis. The product priced below category norms is anomalous — its price violates the pattern that the customer’s prior experience has established — and anomalies trigger the threat-assessment process that unusual information generally activates. The low price does not produce simple positive affect; it produces a mixture of initial interest and subsequent suspicion that the interest-triggering information is too good to be true.

In categories where quality is genuinely difficult to assess before purchase — which includes most entrepreneurial products — this suspicion is not easily resolved. The customer cannot directly verify whether the low price reflects genuine value or signals a quality problem. In the absence of other strong quality signals, the price itself becomes the dominant quality cue. The low price therefore functions as a quality discount, reducing the customer’s expected experience of the product before they have experienced it.

What low pricing communicates about the seller’s confidence

The Plassmann et al. (2008) wine research established that price shapes not just quality inference but quality experience — the higher-priced wine was experienced as better because the price had activated a higher quality expectation. The logical extension to seller psychology is direct: the price the seller sets is the seller’s declaration of their own assessment of the product’s worth.

The seller who prices low is implicitly communicating that their highest confidence valuation of the product is low. If the seller believed the product were worth more, they would charge more — and the customer’s System 1 draws exactly this inference. The money avoidance script identified in the Klontz research produces a specific irony: the entrepreneur who underprices to feel fair to the customer is communicating, through the price itself, that they do not believe the product is worth more. The fairness motivation produces the quality-undermining signal that fairness was supposed to avoid.

This is the mechanism through which underpricing hurts the customer as well as the seller. The Plassmann mechanism predicts that the customer who purchases the lower-priced product will have a lower-quality experience of the same product than they would have had at a higher price — because the price-activated expectation shapes the consumption experience. The seller who underprices to be kind to their customers is inadvertently reducing the quality of the experience those customers receive.

The suspicious-low-price response and its commercial consequence

Monroe’s (1973) reference price research and Niedrich, Sharma and Wedell’s (2001) Journal of Consumer Research study on reference price and price perception documented the suspicious-low-price response that activates when a price substantially violates the category norm downward. Customers carry learned reference prices for product categories — expectations about what things in a category should cost, built from prior experience. When a price falls significantly below this reference, it does not simply produce a bargain perception; it activates a quality doubt that System 1 generates as a threat alert.

The commercial consequence is that entrepreneurial products priced substantially below category norms in quality-conscious markets do not benefit from the price advantage in the way that the standard economic model would predict. Customers who are seeking quality use price as a screening criterion — they filter out products priced too low as likely quality failures, and select among products priced within or above the category norm. The entrepreneur who believes their low price is making the product more accessible to quality-seeking customers is typically making it invisible to them.

The reference price degradation problem

The chronic discounting pattern creates an additional long-term problem through reference price degradation. When a product is consistently available at a promotional price, the promotional price becomes incorporated into the customer’s reference price for that product. The reference price — what the customer believes the product should cost — gradually shifts toward the promotional price. When the promotion ends, the regular price feels excessive relative to the updated reference rather than appropriate relative to the product’s value.

The Praktiker case illustrates the terminal version of this dynamic. The German hardware retailer’s aggressive discounting strategy progressively degraded its brand perception and trained customers to expect low prices. When the promotional mechanics ceased to be financially sustainable, the regular price level was no longer credible to the customer base that had been calibrated to the discount level. The brand could not be repositioned to sustain higher prices because the discount strategy had permanently shifted the customer reference price.

What the research supports as an alternative

The research does not support the proposition that prices should simply be high. It supports the proposition that prices should be positioned within the reference price range that the target customer associates with the quality level the product delivers, and that price reductions should be deployed selectively and temporarily rather than chronically.

Promotions — time-limited offers with clear expiry conditions — can activate loss aversion around the promotional window without permanently degrading the reference price, because the customer understands the promotional price as a departure from rather than a replacement of the regular price. The promotional mechanics communicate scarcity and urgency rather than permanent price reduction, which preserves the quality signal of the regular price.

Books worth reading on this

Why Customers Really Buy by Linda Goodman and Michelle Helin provides the most practically applicable account of what customers are actually evaluating when they make purchase decisions — including the quality signals embedded in pricing and the specific customer responses to price anomalies that this article describes. For the entrepreneur who wants the most directly applicable available account of how customers interpret price signals in real purchase contexts, Goodman and Helin’s synthesis of customer decision psychology provides the most practical complement to the research.

If the dynamics described here are significantly affecting your wellbeing, speaking with a psychologist is the right next step. UK: Samaritans (116 123, free, 24/7). Mind (0300 123 3393). BACP: bacp.co.uk/search/Therapists. Crisis Text Line — text HOME to 741741 (US, UK, Canada, Ireland). International: internationaltherapistdirectory.com.

This article is for educational and informational purposes only. Sources: Rao, A.R. & Monroe, K.B. (1989), The Effect of Price, Brand Name, and Store Name on Buyers’ Perceptions of Product Quality: An Integrative Review, Journal of Marketing Research, 26(3), 351–357. Plassmann, H., O’Doherty, J., Shiv, B. & Rangel, A. (2008), Marketing Actions Can Modulate Neural Representations of Experienced Pleasantness, PNAS, 105(3), 1050–1054. Klontz, B., Britt, S.L., Mentzer, J. & Klontz, T. (2011), Money Beliefs and Financial Behaviors: Development of the Klontz Money Script Inventory, Journal of Financial Therapy, 2(1), 1–22. Monroe, K.B. (1973), Buyers’ Subjective Perceptions of Price, Journal of Marketing Research, 10(1), 70–80. Niedrich, R.W., Sharma, S. & Wedell, D.H. (2001), Reference Price and Price Perceptions: A Comparison of Alternative Models, Journal of Consumer Research, 28(3), 339–354. Goodman, L.V. & Helin, M. (2009), Why Customers Really Buy, Career Press. Lindstrom, M. (2011), Brandwashed, Crown Business. Beckwith, H. (1997), Selling the Invisible, Warner Books.