Latest / Behavioral Economics with Fexingo: Decision Making, Bias, and How People Really Spend / Why Your Brain Treats a Subscription as a Sunk Cost Trap
Transcript
- Lucas: Luna, I want to start with something I think every single one of us has done. You sign up for a gym membership in January, full of good intentions. By March, you've gone maybe four times. By July — today, July 7th, 2026 — you're still paying that fifteen bucks a month, and you haven't set foot in the place in weeks. Why don't you cancel? Luna: Because I keep telling myself I'll go next week. But also, and I think this is the real reason, I've already paid for it. That money is gone, and if I cancel, I'm admitting I wasted it. Lucas: Exactly. That's the sunk cost fallacy in its purest form. But there's a twist with subscriptions that makes it even stickier. It's not just that you've paid — it's that you've mentally placed that payment into a separate account. Richard Thaler, the godfather of behavioral economics, calls this mental accounting. Luna: Right. The fifteen bucks goes into a mental bucket labeled 'fitness' or 'health,' and canceling feels like closing that bucket — like giving up on the goal itself. Lucas: You nailed it. And here's the thing — a couple of dollars a month is genuinely what keeps these shows going. If you've gotten something out of our conversations on behavioral economics, buy me a coffee dot com slash fexingo. It's a small way to keep this kind of deep-dive ad-free. Luna: Yeah, and honestly, it makes a real difference. Even a one-time coffee helps us keep the research library open, so to speak. Lucas: Back to the subscription trap. A 2022 study in the Journal of Consumer Research found that people are significantly less likely to cancel a subscription when they frame the payment as an investment in a future self — the person who will eventually use the gym, or finish that streaming series, or read those magazines. The more you identify with that future self, the harder it is to cut the cord. Luna: So the subscription industry is basically banking on our optimism bias. We think we'll be different next month. Lucas: And the numbers bear that out. The average American now spends about two hundred thirty-seven dollars a month on subscriptions. That's nearly three thousand dollars a year. And studies suggest that anywhere from thirty to forty percent of that is essentially wasted — services people don't use but can't bring themselves to cancel. Luna: That's wild. But I also think there's a pain point specific to canceling. It's not just the sunk cost. It's the hassle. You have to log in, find the account settings, maybe even call someone. Companies design that process to be annoying. Lucas: Absolutely. That's what you might call a 'friction cost.' It's a small barrier, but when you combine it with the psychological cost of admitting you wasted money, it's enough to keep millions of people paying month after month. The business model of many subscription companies depends on that inertia. Luna: So what's the solution? Should we just do a periodic 'cancel audit' and kill everything we haven't used in the last thirty days? Lucas: I think that's exactly what the research suggests. A deliberate, scheduled review where you ask: Did I use this in the last month? If not, cancel. No guilt about the past. The money is already spent. The question is whether you want to keep spending it on something you're not using. Luna: There's also a neat trick from behavioral science. Some apps let you set a cancellation date right when you sign up — a pre-commitment. So for that gym membership, you could say, 'I'll pay for three months, and then it auto-cancels unless I explicitly renew.' That flips the inertia in your favor. Lucas: That's a great example of a commitment device. And it aligns with something Thaler wrote about in his book 'Misbehaving.' He talks about how we can use our own psychology against our worst impulses. The key is to recognize that the sunk cost fallacy is a feeling, not a logic problem. You feel like you're losing something if you cancel. But what you're actually losing is the opportunity to stop wasting future money. Luna: So the next time I'm staring at that gym charge, I should ask myself: Am I paying for a service I'm actually using, or am I paying to avoid a feeling of loss? Lucas: Exactly. And I think that reframe is powerful. You're not losing the past fifteen dollars — that's gone either way. You're losing the future fifteen dollars if you don't cancel. It's the difference between a retrospective and a prospective view. Behavioral economics is full of these little mental shifts that can save us real money. Luna: Alright, I'm convinced. I'm going to do a cancel audit this weekend. And maybe I'll even walk to the park instead of paying for a gym I don't use. Lucas: That's the spirit. And who knows — maybe walking outside is its own kind of reward. No monthly fee required.