The Logos, Ethos and Pathos Problem in Financial Decision Making

by: Jeffery A. Keill, CFP, CIM, FMA, FCSI, CEA

Portfolio Manager and Senior Wealth Advisor

Financial decisions often look like they should be guided by reason and objectivity. We seek statistical trends and compare interest rates, review charts, calculate risk, and listen to qualified experts. In rhetorical terms, this is where the Greek terms logos and ethos enter the conversation: logos appeals to logic and evidence, while ethos relies on credibility and trust. That is truly not where the decision ends.

Enter Pathos. Money decisions are rarely just math decisions. There are a number of factors and variables that complicate the decision-making. Every financial choice carries emotional weight. Too many options can leave one with a sense of ‘analysis-paralysis’. Buying a home can feel like security, investing can feel like hope, debt can feel like shame, and saving can feel like sacrifice. We want, well, what we want.

Pathos: the Greek-rooted word that means to appeal to emotion. So often, pathos quietly steps in front of and silences Logos and Ethos. Even when the numbers make one option appear obvious, the feeling attached to another option can quietly take control. Just because the Mr. Christie package says ½ the sugar does not mean we should eat twice the cookies.

Ethos matters because we want advice from people or institutions we trust. Logos matters because sound financial choices require facts, projections, and discipline. No one wants to make unwise decisions unless they are insane. Yet pathos often dominates because decisions about money touch identity, fear, pride, comfort, and belonging. A person may know they should avoid an impulsive purchase, but the desire to feel successful or included can overpower the spreadsheet and obvious wise choice.

Why do I bring this up now? I got to thinking about a recent discussion I had about the purchase of a new Tesla Model 3 with a young man. To his credit, he had done a pretty good job at working the numbers to satisfy his want of the Tesla car; however, the bias was evident. Pathos overshadowed both logos and ethos. With the help of Pathos, he easily accounted for much of the stuff that would easily tilt the factors towards his desire.

This scenario, like most scenarios, is a bit like yourself bringing a certified mechanic, a full inspection report, and three sensible friends to look at a used car—then buying the bright red convertible anyway because it “just feels like you” or it “just feels right”. The auto mechanic is ethos, the inspection report is logos, and the little voice yelling “sunshine, freedom, and new leather seat smell!” is pathos. Guess which one gets the keys most often?

The challenge is not to eliminate emotion from financial decision-making; that would be impossible, and truly, there is value in enjoying the purchase. The better goal is to recognize when Pathos is driving the car. When we pause long enough to name the feeling behind a choice, we give logos and ethos a chance to matter. We give them each a chance to present their case.

In the end, the strongest financial decisions are not emotionless—they are emotionally aware.

As I have said so many times in the past to clients, “successful investing is simply the triumph of logic over emotion”—or—in the Greek version discussed here, “successful investing is simply the triumph of Logos and Ethos over Pathos.”

Are you currently dealing with a big financial decision? Can you feel Pathos dominating your Logos and Ethos?

Posted August 2026