Latest / Behavioral Economics with Fexingo: Decision Making, Bias, and How People Really Spend / The Illusion of Control in Personal Finance
Transcript
- Lucas: There is a specific kind of confidence that lives in the mind of every amateur stock picker, and it usually shows up right before they lose money. It’s called the illusion of control, and it’s not just about thinking you’re smarter than the market; it’s about believing that your actions can influence outcomes that are fundamentally random or determined by forces outside your reach. Luna: So when people trade more frequently, they aren’t trying to beat the market so much as they are trying to feel like they are doing something? Lucas: Exactly. We have this deep-seated need to believe that effort correlates with reward, even when the correlation is near zero. If I spend two hours researching a company, my brain tells me I must have an edge, but the data suggests I’ve mostly just paid transaction costs and emotional taxes for the privilege of guessing wrong. Luna: It’s like playing the slots and pulling the lever because you want to feel involved in the outcome. Lucas: That is a perfect analogy. The lever pull feels like action, but the machine doesn’t care. In finance, this manifests as what researchers Barber and Odean famously documented: individual investors who traded too much consistently underperformed those who did nothing. The act of trading itself became the cost of their overconfidence. Luna: But don’t most people think they’re above average drivers? How do they justify the constant buying and selling? Lucas: They justify it through attribution error. When a trade goes up, they say, 'I knew that.' When it goes down, they blame bad luck or market manipulation. This self-serving bias reinforces the illusion because it protects the ego while ignoring the math. You keep pulling the lever because the wins feel earned, and the losses feel like glitches. Luna: Does this mean that checking your portfolio daily makes you worse off financially? Lucas: It creates a feedback loop of false agency. Every time you check, you see noise and interpret it as signal. You think, 'Oh, I should adjust my position,' which triggers another trade. That trade costs commissions, spreads, and tax implications, all for moving the needle by almost nothing. It’s activity for activity’s sake. Luna: So the more you watch, the more you fiddle, and the less you keep? Lucas: Precisely. And it’s not just about fees. It’s about opportunity cost. By chasing short-term movements, you take yourself out of long-term compounding. You’re trying to time the weather instead of building a house that withstands it. Luna: Is there a way to measure how much this illusion costs the average person? Lucas: Barber and Odean found that the most active traders lost nearly seven percent annually compared to the market average. That’s a massive drag. But here’s the tricky part: many of those traders didn’t realize they were losing until years later, if ever. The illusion of control masks the deficit because you’re still watching your balance, even if it’s growing slower than it could be. Luna: It’s almost invisible wealth destruction. You’re not going broke, you’re just falling behind. Lucas: Right. And that’s why it’s dangerous. People don’t panic when they’re underperforming by a few points a year. They only panic when they crash. So the illusion persists because the pain is slow and diffuse, while the feeling of control is immediate and satisfying. Luna: What about financial advisors? Do they help or hurt this dynamic? Lucas: Some do, some don’t. The problem arises when advisors encourage frequent turnover to generate fees. That’s a conflict of interest that exploits the client’s illusion of control. The client thinks, 'My advisor is working hard for me,' but really, they’re just working the clock. Luna: So trusting someone else to be lazy on your behalf might actually be the smart move. Lucas: In a sense, yes. Passive investing requires you to trust that the market, on aggregate, is efficient enough that you don’t need to pick winners. It’s a leap of faith, but it’s a statistically safer one than betting on your own insight. Luna: But isn’t that boring? Sitting still feels like you’re missing out on the fun part. Lucas: The fun part is usually where the traps are. Entertainment value in investing is a red flag. If you’re having too much fun making trades, you’re probably gambling, not investing. Real wealth building is often tedious, quiet, and largely uneventful. Luna: So we should embrace boredom as a feature of good finance? Lucas: Absolutely. Boredom means you’re not reacting to every headline. It means you’ve accepted uncertainty and stopped pretending you can control it. That’s maturity in markets. Luna: I love that. Maturity is just giving up the fantasy of being a genius. Lucas: Or admitting that you’re not. Either way, the result is the same: you stop fighting the tide and start riding it. Luna: Before we go deeper into how to structure a boring portfolio, I want to mention something important about this show. Lucas: Yeah, we rely on listeners who find value in these deep dives to support us directly. Luna: If walking through the economy with us has made something click, consider supporting us monthly at buy me a coffee dot com slash fexingo. No ads, just honest conversation. Lucas: It keeps the lights on and the research rigorous. Thank you for keeping this independent. Luna: Back to the illusion of control though—how do you actually spot when you’re slipping into overtrading mode? Lucas: Look at your transaction history. If you’re buying and selling the same asset class repeatedly within short timeframes, ask yourself why. Is it thesis-driven or emotion-driven? Luna: So set a rule to reduce checking frequency? Lucas: Start there. Check quarterly, not daily. Remove the apps from your home screen. Make friction your friend. The easier it is to trade, the more likely you are to do it poorly. Luna: Friction as a protective barrier against our own impulses. Lucas: Exactly. Design your environment to make the right choice the default choice. Don’t rely on willpower alone. Luna: Does this apply to other areas of life, like career moves? Lucas: It does. Job hopping without a clear strategic reason is often just another form of the illusion of control. You think changing jobs fixes everything, but you might just be running in place. Luna: So patience isn’t just a virtue, it’s a strategy. Lucas: In a noisy world, patience is the ultimate alpha. It allows compounding to work and prevents you from paying premiums for your own anxiety. Luna: I’m going to try checking my portfolio once a month instead of every morning. Lucas: Do it. And notice how much quieter your mind gets when you stop trying to steer the ship. Luna: Maybe the best investment decision is the one you don’t make. Lucas: Sometimes the loudest trade is the cheapest option for your future self. Luna: Let’s see if we can both stay still for a quarter and see what happens. Lucas: Agreed. Let’s see if silence pays better than noise.