Latest / Behavioral Economics with Fexingo: Decision Making, Bias, and How People Really Spend / Why Your Brain Treats a Discount as a Gain
Transcript
- Lucas: Let's say you walk into a store and see a lamp priced at fifty dollars with a red tag saying 'Now $35'. Your brain registers a win, right? You saved $15. Luna: Right. Even if you weren't planning to buy a lamp, you feel like you're getting a deal. Lucas: Exactly. That feeling is what marketers and behavioral economists call the 'sale effect'—it's a specific application of prospect theory. The gain isn't the lamp, it's the saving relative to the reference price. Luna: So the discount itself becomes the reward, not the product. Lucas: Precisely. And this has been tested rigorously. In 2019, researchers at the University of Chicago Booth School of Business ran a field experiment with an online retailer. They showed that items with a strikethrough reference price—even if the final price was the same as the item's normal price—saw a 20 percent higher click-through rate. Luna: Strikethrough? You mean the old price crossed out? Lucas: Yes. They compared two conditions: one where the item was listed at $15 with no reference price, and one where it was listed at 'Was $20, Now $15'. Same final price. But the second version outsold the first by a significant margin. Luna: Because the brain computes the saving as a separate gain. Fifteen dollars off feels like found money. Lucas: That's the core mechanism. Prospect theory tells us that people feel losses more sharply than equivalent gains—loss aversion. But here, the perceived gain of the discount triggers a positive emotional response, which overrides the cost of the purchase. You're not buying a lamp, you're 'earning' $15. Luna: Which is why we end up with things we never needed. The lamp gathers dust, but the feeling of winning stays. Lucas: And that's exactly the trap. The same phenomenon explains why coupons work so well. A one-dollar coupon on a box of cereal gives more satisfaction than finding a dollar on the street, because the coupon frames the saving as a deliberate achievement. Luna: You clipped it, you earned it. It's a psychological win, not just a financial one. Lucas: And the size of the discount matters in a nonlinear way. A 50 percent discount on a $10 item feels huge—you saved $5. But a 10 percent discount on a $100 item saves you $10, yet it often feels less exciting. That's because the percentage framing anchors your perception. Luna: So retailers exploit that too. They'll advertise '50% off' on cheap items and 'Save $10' on expensive ones, whichever sounds bigger. Lucas: Exactly. And it gets more subtle. There's also the 'as low as' framing. If a store says 'Prices starting at $5', your brain anchors to that low number, and even a $15 item feels reasonable by comparison. Luna: That's a classic anchoring effect, which we've covered before, but here it's used to amplify the discount perception. Lucas: Right. Now, one of the most powerful discount strategies is the 'limited-time offer'. Adding time pressure increases the perceived value of the deal because it creates scarcity. The same $15 off feels more urgent and therefore more valuable if it ends at midnight. Luna: And that's when we make impulse buys. I've done it many times—bought something I didn't need because the timer was ticking. Lucas: We all have. And it's not just retail. Think about subscription services: 'Get 50% off your first three months.' That discount hooks you, and then the autorenewal kicks in at full price. The initial gain blinds you to the future loss. Luna: So the discount creates a commitment device that works against you. Lucas: Exactly. And this is where the behavioral economics gets really interesting. There's a concept called 'mental accounting'—people treat money differently depending on how they receive it. A discount is mentally assigned to the 'savings' account, not the 'spending' account, so you feel richer. Luna: That's why cashback offers feel like free money, even though it's just a rebate on your own purchase. Lucas: Right. And the same logic applies to 'buy one get one free' offers. Your brain sees the free item as a pure gain, even though you paid for the first one at full price. In reality, you're getting two items at a 50 percent discount, but it feels better because one is framed as free. Luna: I've fallen for that countless times. I end up with two jars of pasta sauce when I only needed one. Lucas: And that's the point—the discount effect doesn't just influence what you buy, but how much you buy. Retailers use it to increase basket size. A 'spend $50, get $10 off' offer encourages you to add more items to reach the threshold, even if you didn't want them. Luna: That's the classic 'threshold effect'. And it works because the discount feels like a reward for spending more, not a penalty for spending less. Lucas: Yes. And interestingly, the same discount frame can backfire. If you offer a discount on a luxury good, it can actually decrease perceived quality. A Rolex marked down 20% feels less prestigious—the discount signals that the item isn't worth its full price. Luna: So discounts work best on utilitarian or mid-range products, not on status symbols. Lucas: Exactly. And that's why high-end brands rarely run sales—they protect the brand's equity. Discounting would erode the luxury aura. Luna: So the discount effect is powerful, but it has limits. It depends on context, product type, and consumer expectations. Lucas: Right. And that's what makes it such a rich topic for behavioral economics. It's not just about 'people like cheap things'. It's about how the brain constructs value from comparisons, anchors, and frames. Luna: And speaking of people liking things, I really enjoy this show. It's ad-free and supported by listeners like us. Lucas: Yeah, if you find these conversations useful, you can support the show at buy me a coffee dot com slash fexingo. It helps us keep doing what we do. Luna: And every bit helps. Now, back to discounts—there's one more angle I want to explore: the difference between a discount and a rebate. Lucas: Great point. A discount is immediate—you pay less at the register. A rebate requires you to mail in a form and wait for a check. That delay reduces the psychological gain. The pain of the paperwork and waiting often outweighs the perceived benefit. Luna: So many rebates go unclaimed. I read that nearly 40 percent of mail-in rebates are never redeemed. Lucas: Exactly. Retailers know that. They offer rebates knowing most people won't follow through. It's a discount that costs them less. Luna: That's a bit manipulative, but it's also a lesson in how we value time versus money. We overvalue immediate gains and undervalue future ones. Lucas: And that's the heart of behavioral economics—understanding how our brains make irrational trade-offs. The discount effect is one of the most pervasive examples. It's everywhere, from grocery stores to car dealerships to online shopping carts. Luna: So next time you see a red tag, maybe pause and ask: am I buying this because I need it, or because the saving feels good? Lucas: And that's the kind of self-awareness that can save you real money. Not just the illusion of saving. Luna: Well said. Thanks, Lucas. Lucas: Thanks, Luna. See you next time.