Anchoring Bias & the First Price.

The First Number Wins

You see a jacket hanging on a rack. The tag reads: “Was AED 800 — Now AED 400.” Something in your brain activates a familiar satisfaction. You’re getting a deal. You’re saving money. But consider a parallel universe: in that universe, you walked into the same store and saw the same jacket, but the tag simply read “AED 400.” No “Was.” No strikethrough. Just the price. In yet another universe, you’d seen a similar jacket at a different store priced at AED 280 before entering this one. Now AED 400 feels expensive.

Same jacket. Same AED 400. Completely different emotional response depending on which number you encountered first. This is anchoring bias — one of the most consistently replicated and commercially exploited findings in behavioral economics. The first number you encounter in any negotiation, transaction, or comparison becomes a reference point — an anchor — against which all subsequent numbers are evaluated.

Understanding the behavioral causes of overspending requires understanding anchoring, because retailers have built entire pricing architectures around it. The original price strikethrough, the “Compare at” tag, the three-tier subscription plan, the premium decoy product: these are all anchoring strategies, and they work with extraordinary reliability on the human brain’s number-processing systems.

What makes anchoring particularly insidious is that it operates even when people know about it. Studies on anchoring effects consistently show that awareness of the bias does not fully protect against it. The anchor gets embedded before the conscious evaluation begins. By the time you’re assessing whether the price is reasonable, the anchor is already doing its work, silently setting the frame through which every number is interpreted.

How the Brain Processes the First Price

The scientific foundation of anchoring comes from Daniel Kahneman and Amos Tversky’s landmark 1974 paper in Science, “Judgment Under Uncertainty: Heuristics and Biases.” In one of their most famous demonstrations, they had participants spin a wheel that landed on a random number, then asked them to estimate the percentage of African countries in the United Nations. Participants whose wheel landed on a high number gave significantly higher estimates than those whose wheel landed on a low number — even though the wheel number was transparently random and irrelevant to the question.

This revealed something profound about human cognition: the brain uses the anchoring-and-adjustment heuristic as a default strategy for making numerical estimates under uncertainty. It starts from a given number (the anchor) and adjusts from there. The problem is that this adjustment is almost always insufficient — people do not move far enough from the anchor, even when they consciously try to discount it.

Why does adjustment fail? Because the confirmation bias mechanism amplifies the anchor. Once a number is established as a reference point, the brain preferentially searches for information that is consistent with it — information that confirms the anchor’s validity as a baseline. You see “AED 800” and your brain starts gathering evidence that the jacket is an AED 800 type of product. The materials, the store, the brand — all get interpreted through the lens of the AED 800 anchor. When the sale price appears, it is evaluated not on its own merits but against that internally constructed expectation.

Neuroimaging research has added further depth to this picture. Studies using fMRI have shown that anchoring effects modulate activity in the prefrontal cortex and anterior cingulate cortex — regions involved in numerical cognition and decision-making. The anchor is not just a psychological framing effect; it appears to shape the neural computations involved in value assessment. By the time you experience the “this is a deal” feeling, that feeling has been partially constructed by the anchor.

The same mechanism that makes price anchoring so effective in retail also makes negotiations difficult: whoever states a number first wins a disproportionate amount of influence over the final outcome. The first number anchors the entire negotiation space, and all subsequent offers are adjustments from that starting point, always insufficient to fully escape the anchor’s gravity.

How Retailers Exploit Anchoring Daily

Modern retail pricing is not an accident. It is a carefully engineered system designed to maximize the anchoring effect on consumers. Understanding the tactics does not make you immune, but it does allow you to recognize when an anchor is being deployed — which creates a moment of conscious intervention that can disrupt the automatic evaluation process.

1. Original price strikethroughs

The most ubiquitous anchoring tactic. A high “original” or “regular” price is displayed alongside the current selling price, either struck through or printed smaller. The original price may never have been the actual selling price, but it doesn’t matter — the moment your eyes encounter it, it becomes the anchor. The sale price is then evaluated not against the product’s actual utility to you, but against the gap between anchor and current price. Knowing this, the brain science of impulse buying shows why the deal emotion fires even when the absolute price is high.

2. Competitor price comparisons

“Compare at AED 1,200 elsewhere.” This tactic extends the anchor beyond the store’s own pricing history to a claimed external market price. The claimed competitor price anchors the evaluation, and the current offering price appears as a bargain relative to this anchor — even if the comparison is cherry-picked, inflated, or entirely fabricated.

3. Premium decoy products

This is the anchor hidden in plain sight. When a retailer displays three versions of a product — a basic, a standard, and a premium — the premium version is often not intended to sell well. Its purpose is to function as a high anchor that makes the standard version appear reasonably priced by comparison. The mid-tier option suddenly looks like a sensible choice, when in fact its price was set by calibrating against the decoy.

4. Per-day cost framing

“Only AED 3 a day.” This tactic works by breaking a large price into a small daily figure, then anchoring on the daily amount rather than the total. AED 1,095 per year feels large. AED 3 per day feels trivial — less than a coffee. The anchor has been shifted from the total cost to a reframed micro-unit that activates different spending psychology.

5. Bundle anchoring

Adding low-value or unwanted items to a bundle creates a high anchor for the bundle’s perceived total value. The main item might be priced at its normal market rate, but because the bundle is presented as containing AED 800 worth of products for AED 399, the anchor for the overall value is AED 800, making the bundle price feel like a significant discount.

6. Limited-tier pricing

Silver, Gold, and Platinum subscription plans. Economy, Business, and First Class. The highest tier functions as an anchor that repositions the middle tier as the obvious reasonable choice, and simultaneously makes the lowest tier seem unacceptably limited. This is sometimes called the “Goldilocks effect” — the middle option feels “just right” because it has been calibrated against anchors on both sides.

Anchoring Beyond Shopping

Anchoring bias does not confine itself to retail contexts. It operates wherever numbers and human judgment intersect — which means it shapes financial decisions across your entire economic life, often in ways that are far more consequential than an impulse purchase.

Salary and negotiation

Research consistently shows that the party who states a number first in a salary negotiation gains a structural advantage. Their number anchors the entire discussion. Candidates who name a high opening salary receive significantly higher final offers than those who wait for the employer to make the first offer or who name a more “reasonable” figure. The same mechanism operates in every negotiation context — real estate, consulting fees, contract terms. First number wins.

Credit and loan decisions

The minimum payment amount displayed on a credit card statement functions as a powerful downward anchor for repayment behavior. Research published in the Journal of Marketing Research has shown that displaying minimum payment amounts causes many cardholders to pay less toward their balance than they would have otherwise — the minimum becomes the anchor, and repayment behavior adjusts from there, insufficiently. The result is extended debt and significantly higher interest payments.

Subscription and recurring costs

When subscription services display an annual price broken into a monthly equivalent — “AED 49/month when billed annually” — they anchor on the monthly micro-unit to make the annual commitment feel smaller. The AED 588 annual payment feels palatably small when expressed as AED 49 per month. Additionally, the annual plan is often shown alongside a monthly plan priced significantly higher — a second anchor that makes the annual option appear generous.

Investment decisions

Anchoring in investment contexts is particularly well-documented. Investors tend to anchor on the price at which they first acquired a stock, which distorts their ongoing evaluation of whether to hold or sell. A stock that has declined 40% from its purchase price is not “worth 40% less” in any objective sense — the market sets its price regardless of what you paid. But the purchase price becomes a powerful anchor that makes selling feel like a loss (even if selling is the correct rational decision), and holding feel like maintaining a claim to the “real” value that the anchor represents.

The common thread across all these domains is the same: whatever number enters your attention first gains disproportionate influence over all subsequent judgments. Awareness of this tendency is a prerequisite for countering it — though as the research shows, awareness alone is insufficient.

De-Anchoring: Rebuilding Your Price Reference

Since anchoring is difficult to prevent, the most effective counter-strategies focus on replacing manipulated anchors with self-generated, deliberate reference points. This approach acknowledges the cognitive reality that anchoring will occur, and redirects it toward anchors you choose rather than anchors retailers set for you.

Research the lowest historical price first

Before shopping for any significant purchase, look up the historical price range for the item, not the current retail price or MSRP. Price tracking tools for online retail show the lowest price an item has historically been sold for. This becomes your anchor before you encounter the retailer’s anchor. When you see “Was AED 800 — Now AED 500,” you can counter it with the knowledge that the item has previously sold for AED 320. Suddenly AED 500 does not feel like a deal.

Absolute value thinking

Train yourself to evaluate purchases in absolute terms: Is this item worth [price] to me at full price, independent of any discount? If you strip the anchor entirely — ignore the “Was” price, ignore the “Compare at” label, ignore the “save X” messaging — and ask simply whether the current price delivers sufficient value for your life, you bypass the anchoring mechanism. This is cognitively harder than it sounds because the anchor is already embedded by the time you read the current price, but practiced consistently, it becomes a more reliable decision framework.

Recognize anchor signals

Certain language patterns are reliable signals that an anchor has been deployed: “Was / Now,” “Compare at,” “Save X,” “Valued at,” “Only AED X/day,” “Limited time offer.” When you see these phrases, pause. Name the anchoring tactic explicitly to yourself — “this is a strikethrough anchor” — and then evaluate the product on its absolute price rather than its relationship to the anchor.

The 24-hour waiting rule

Research on anchoring effects suggests that the anchor’s influence decays over time. The emotional response to a price anchor — the “this is a deal” feeling — is strongest immediately at the point of encounter and diminishes as time passes and the anchor fades from working memory. Implementing a 24 to 48 hour waiting period on all non-essential purchases above a threshold price exploits this decay: by the time you return to evaluate the purchase, the anchor has weakened, and you can assess the item’s value with a less contaminated reference frame.

SpendTrak takes a behavioral approach to anchoring’s broader effect on your spending: it tracks not just what you spend, but patterns in when and why purchases happen, surfacing whether your spending is driven by genuine need or by manipulated perception of value. It cannot see the price tags you encounter, but it can identify the spending signatures of anchoring-driven behavior — purchases clustered around promotional periods, categories where spend consistently exceeds your stated intentions, and patterns consistent with recurring external anchoring from specific retailers or platforms.

The goal is not to make you a joyless price analyst who never buys anything on sale. It is to ensure that when you do buy, the decision reflects what you actually value — not what a pricing architect engineered you to feel.