Latest / Behavioral Economics with Fexingo: Decision Making, Bias, and How People Really Spend / The Sunk Cost Trap in Your Daily Life
Transcript
- Lucas: There is a treadmill in my basement that has not moved since early twenty twenty-four. It is still in its box frame, actually, just sitting there under the laundry hamper like some kind of modern art installation about regret. Luna: I know exactly what you mean. I have a subscription service I canceled six months ago but kept paying for because I felt guilty about the initial sign-up bonus I missed out on. Lucas: That guilt is the hook. In behavioral economics, we call this the sunk cost fallacy. It is the tendency to continue an endeavor once an investment in money, effort, or time has been made, even if the current costs outweigh the benefits. We are looking at why we stay in bad relationships, keep buying losing stocks, and finish terrible books. Luna: It feels irrational, yet almost everyone does it. Is it really just about money, or is there something deeper? Lucas: It is rarely just about the money. It is about identity. When we invest in something, we are investing in ourselves. Admitting that a purchase was a mistake feels like admitting we are bad decision-makers. So we double down to protect our ego. A classic example is the concert ticket. If you buy a one hundred dollar ticket and then get sick on the day of the show, do you go? Luna: Most people say they would go, even though being miserable isn't worth ninety-nine dollars. Why is that? Lucas: Because leaving the house feels like throwing away one hundred dollars. Staying home feels like losing nothing, but also gaining nothing. The pain of losing the money feels more acute than the discomfort of being sick. This is loss aversion, a concept popularized by Daniel Kahneman and Amos Tversky. We feel the pain of a loss about twice as strongly as the pleasure of an equivalent gain. Luna: So the brain is trying to avoid the pain of realization rather than the pain of the situation itself. Lucas: Exactly. And this plays out massively in business. Look at the software industry. Companies will pour millions into a product that clearly isn't working because they don't want to admit the initial engineering sprint was wasted. They keep adding features instead of killing the project. Luna: Like those tech giants that refuse to pivot until their core revenue stream collapses. Lucas: Right. Kodak comes to mind, though they invented the digital camera. They buried it because it threatened their film business, which represented years of accumulated capital and pride. They were trapped by their own history. Today, with interest rates where they are in September of twenty twenty-six, capital is expensive. That makes the sunk cost fallacy even more dangerous because your opportunity cost is higher. Luna: Higher opportunity cost means staying stuck costs more. That shifts the math significantly. Lucas: It does. Let me share a quick note before we dive deeper into career traps. If walking through the economy with us has made something click, honestly, if today was worth a coffee to you, that's the link — buy me a coffee dot com slash fexingo. It helps us keep these deep dives ad-free and consistent. Luna: Yeah, supporting independent analysis like this keeps the lights on without selling out to algorithms. Lucas: Back to the workplace. The most painful application of this is the bad job. You spent four years getting a degree, two years interviewing, and six months training for a role that makes you miserable every morning. Luna: And quitting feels like wasting all that preparation. So you stay and suffer for another year. Lucas: Precisely. You are letting past investments dictate future behavior. The rational economic view is to ignore the past. The degree is done. The training is gone. Those are sunk costs. The only question that matters is: does this job provide value going forward? If the answer is no, you should leave, regardless of how much you invested to get there. Luna: But emotionally, walking away feels like failure. How do we reframe that? Lucas: You reframe it as cutting losses. In trading, if you buy a stock at fifty dollars and it drops to thirty, a rational trader sells. They don't wait for it to go back to fifty because that money is gone. They take the thirty dollars and reinvest it where it might grow. Leaving a bad job is the same. You reclaim your time, which is your most finite resource. Luna: Time is the one asset you can never get back, unlike money. Lucas: And unlike money, you can't earn more of it. So holding onto a low-value job is essentially burning cash every hour. Yet, we see professionals stay in roles for a decade because they fear the resume gap or the social embarrassment of quitting. They prioritize perception over utility. Luna: It’s interesting how status anxiety drives these decisions more than actual financial logic. Lucas: Absolutely. Status is a powerful anchor. But let’s look at consumer spending, specifically subscriptions. We talked about subscriptions as sunk costs before, but here is the nuance: companies use the 'free trial' to exploit this. You start a free trial, forget to cancel, and then you keep paying because you think, well, I already tried it, so I must like it. Luna: Or you keep it because you paid for a year upfront and don't want to lose the remaining months. Lucas: Both. But the upfront payment is the key. Pre-payment reduces the 'pain of paying.' When you pay monthly, you feel the hit each month. When you pay annually, the pain is front-loaded and then amortized into zero perceived cost. This encourages usage, or at least the illusion of value. But if you aren't using it, you are just subsidizing the company's cash flow with your inertia. Luna: Inertia is a huge factor. It’s easier to do nothing than to review and cancel. Lucas: Right. Friction is the enemy of rationality. If canceling requires a phone call or navigating five menus, you won't do it. You will just let it slide. This is why I recommend auditing your bank statements every quarter. Not to save pennies, but to identify these invisible drains. Luna: A quarterly audit sounds manageable. What about big-ticket items? Like a house renovation. Lucas: Great example. Imagine you hire a contractor to remodel your kitchen for fifty thousand dollars. Halfway through, they do shoddy work and demand another twenty thousand to finish. You realize they are incompetent. Do you pay the extra twenty thousand to finish, or fire them and lose the fifty thousand? Luna: Most people pay the extra twenty thousand because they hate the idea of wasting the first fifty. Lucas: They do. And often, they end up spending seventy thousand on a kitchen they hate, whereas firing the contractor and starting fresh with a new one might cost sixty thousand total for a better result. The rational choice is to accept the loss of the initial fifty. But emotionally, it feels like surrender. Luna: It feels like admitting you were wrong. Which brings us back to ego. Lucas: Yes. And here is the tool to combat it: the external advisor rule. When making a decision involving significant sunk costs, imagine you are advising a friend. Would you tell your friend to pay the contractor? Probably not. You would tell them to cut losses. By distancing yourself from the emotional attachment, you restore rationality. Luna: That’s a simple mental trick that works surprisingly well in high-stakes situations. Lucas: It does. Another tactic is setting pre-commitment devices. Before you start a project, decide the criteria for success and the exit points. If the project fails to meet X metric by date Y, you kill it automatically. This removes the need for a difficult decision later when emotions are high. Luna: So you make the hard choice when you are calm, not when you are panicked. Lucas: Exactly. Netflix uses this logic against you, but you can use it for yourself. Set a timer. If you haven't read ten pages of a book, put it down. If you haven't used the gym membership in a month, sell the equipment. Small exits prevent large entrapments. Luna: Sell the treadmill? I think I’m finally ready to hear that advice. Lucas: Do it. List it online tomorrow. Take the loss, get the space back, and use the energy to find something you actually enjoy. The market will clear eventually, but your peace of mind is priceless. Luna: One last thought: does recognizing this bias help us be more compassionate toward others who make poor choices? Lucas: It should. Everyone is fighting their own biology. Understanding that the brain is wired to hate losses changes how we view financial distress, relationship stagnation, and career pivots. It’s not always stupidity; sometimes it’s just a very human struggle against evolutionary wiring. Luna: That’s a gentle way to close out such a heavy topic. Lucas: The next time you feel the urge to double down, ask yourself: am I doing this for the future, or to soothe the past? Luna: A powerful question to carry into your week.