Latest / Behavioral Economics with Fexingo: Decision Making, Bias, and How People Really Spend / The Ikea Effect Why You Love What You Build
Transcript
- Lucas: Luna, let's start with a question. You buy a Billy bookcase from Ikea for forty-nine dollars. You spend an hour and a half with that little hex key, deciphering pictograms, cursing the missing dowel. At the end, it stands there — slightly crooked but yours. How much would you sell it for? Luna: I mean, I'd probably say at least thirty bucks. Even though I know I could buy a new one for forty-nine. It feels like it's worth more because I built it. Lucas: Exactly. That feeling has a name: the Ikea effect. And it's one of the most robust findings in behavioral economics. The term was coined by Michael Norton at Harvard Business School, along with Daniel Mochon and Dan Ariely, in a 2011 study. They showed that people consistently overvalue things they have assembled themselves — even when the assembly is trivial. Luna: How trivial are we talking? Because I've built some Ikea furniture that made me question my life choices. Lucas: In one experiment, they gave participants pre-cut pieces of wood and asked them to assemble a simple storage box — the kind you might find at a craft store. It took maybe a few minutes. Then they auctioned off the boxes. People who built their own boxes were willing to pay sixty-three percent more than people who were just bidding on an identical pre-assembled box. Luna: Sixty-three percent. That's huge. And it's not just about liking it more — they actually assigned a higher dollar value to their own creation. Lucas: Right. And the effect didn't go away when the researchers let participants disassemble the box. They still valued theirs more. They also found that if you completely fail to complete the assembly — you give up halfway — the effect disappears. You need to finish it. The feeling of competence is a big part of the bias. Luna: So it's not just effort. It's successful effort. That makes sense with the endowment effect — we overvalue what we own — but this is more about what we create. Lucas: Exactly. The endowment effect is about mere ownership. The Ikea effect is about ownership plus labor. There's a theory called effort justification: we rationalize our effort by convincing ourselves the outcome is valuable. The harder we work, the more we need to believe it was worth it. Luna: That explains why people love those meal kit services like HelloFresh or Blue Apron. You're not really cooking from scratch — the ingredients are pre-portioned, the instructions are step-by-step — but you feel like a chef. The meal tastes better because you made it. Lucas: And the companies know this. They're deliberately engineering a moderate level of effort — just enough to trigger the bias, not so much that you get frustrated. Same with Build-A-Bear. You stuff the bear yourself, you choose the outfit, you give it a name. That bear is worth way more to a kid than a pre-stuffed one, even though the materials cost the same. Luna: It's also why Nike's customization platform, Nike By You, works. You pick the colors, the materials, maybe add a personal ID. The shoe costs more than a standard pair, and it takes weeks to arrive. But people love them more. Lucas: There's a flip side, though. The Ikea effect can backfire if the task is too hard or if the result is obviously flawed. If your Billy bookcase collapses after a week, you don't value it more — you curse it. The bias relies on the perception that you did a good job. Luna: So companies need to calibrate the difficulty. Too easy and there's no sense of accomplishment. Too hard and you feel incompetent. The sweet spot is what psychologists call 'optimal challenge' — the task should be doable but not trivial. Lucas: Speaking of calibration, I think this ties into something you mentioned in a previous episode about the pain of paying. You know, when you build something yourself, the labor feels like a down payment on ownership. It actually reduces the pain of paying because you're investing effort as well as money. Luna: That's a great connection. If you're listening and enjoying these kinds of links between behavioral economics and everyday decisions, it's worth noting that this show stays ad-free thanks to listener support. If walking through the economy with us has made something click, you can help keep it that way at buy me a coffee dot com slash fexingo. No pressure, just a simple way to say the show matters to you. Lucas: Yeah, it really does make a difference. And we appreciate everyone who's already contributed. Luna: So back to the research. Norton's team also found an interesting twist: the Ikea effect is stronger when the creator feels a sense of personal authorship. If you're just following instructions robotically, the effect is weaker. Lucas: That's why some companies are moving toward co-creation models. For example, the furniture company made.com let customers vote on designs and then assemble the pieces. The voting gave them a sense of authorship even before the building began. Luna: What about software? Like, when you set up your own website on Squarespace or Wix — you choose the template, you drag and drop. That's a form of the Ikea effect, isn't it? Lucas: Absolutely. Any product that lets the user customize or assemble gives them a psychological stake in the outcome. That's why IKEA's business model is so brilliant. They sell you the experience of building, not just the furniture. The flat-pack reduces shipping costs, but the real genius is that it makes you love the product more. Luna: But there's a risk, right? If the assembly instructions are terrible — and let's be honest, sometimes they are — you might end up hating the brand. I've heard stories of people returning half-assembled furniture out of frustration. Lucas: That's a real problem. IKEA has actually redesigned their instruction manuals over the years to be more intuitive, moving away from the cryptic pictograms. They know that a failed assembly can destroy the bias. And if you fail, you not only don't overvalue the product — you might undervalue it compared to pre-assembled alternatives. Luna: So the Ikea effect is a double-edged sword. Companies that use it need to invest in good design and clear instructions. Otherwise, they risk creating negative associations. Lucas: Exactly. And it's not just for physical products. Think about onboarding at a tech company — when a new employee sets up their own workstation, chooses their software tools, customizes their profile. That small investment of effort makes them feel more committed to the job. Luna: I remember reading about a study where people who assembled a piece of furniture themselves were willing to pay more for it, but they also rated it as higher quality — even when the objectively measured quality was the same. Lucas: That's the core of the bias. It changes your perception of quality, not just your emotional attachment. In the original study, participants who built the boxes thought their boxes were better constructed, even though they were identical to the pre-made ones. The labor literally blinded them to objective flaws. Luna: So how can we as consumers guard against this? I mean, it's one thing to enjoy building your own bookshelf, but it's another to overpay for a product just because you assembled it. Lucas: Awareness is the first step. When you feel that pride of creation, ask yourself: would I pay this much if someone else had built it? If the answer is no, you're probably under the influence of the Ikea effect. Also, compare the price of the kit to the pre-assembled version. If the gap is more than, say, ten or fifteen percent, you might be paying a premium for the privilege of working. Luna: It's also worth noting that the Ikea effect has limits. If you're assembling something for someone else as a gift, the effect doesn't transfer. The recipient doesn't share your labor — they just see the final product. Lucas: Right. The bias is personal. It's about your own effort. That's why companies sometimes offer 'assembly required' as an option even when they could sell it pre-assembled. They know a segment of customers will actually value the product more if they build it themselves. Luna: I think the biggest takeaway is that effort shapes value in ways we don't consciously realize. The next time you're struggling with an Allen wrench, remember — your brain is working to convince you it was worth it. Lucas: And that's not necessarily a bad thing. It can make us more satisfied with what we have. But it's good to know why that crooked bookshelf feels like a masterpiece.