Decision Under Skepticism
Taleb distinguishes doubts we cannot act on from uncertainties we can prepare for. His practical question is how to limit vulnerability and turn imperfect knowledge into action without needing a precise forecast.
THE IDEA
Easier Than You Think: The Problem of Decision Under Skepticism
I have said all along that there is a problem with induction and the Black Swan. In fact, matters are far worse: we may have no less of a problem with phony skepticism.
- I can’t do anything to stop the sun from nonrising tomorrow (no matter how hard I try),
- I can’t do anything about whether or not there is an afterlife,
- I can’t do anything about Martians or demons taking hold of my brain.
But I have plenty of ways to avoid being a sucker. It is not much more difficult than that.
My antidote to Black Swans is to be noncommoditized in my thinking: to question conventional answers and ask how knowledge changes what I do. Beyond avoiding being a sucker, the practical task is to decide what knowledge is worth and how to act on it.
When to use it
Making investment decisions under Knightian uncertainty where probabilities are unknown.
Choosing a career path in a rapidly changing economy by emphasizing rare and adaptable skills.
Deciding when to trust expert predictions and when to maintain healthy skepticism.
Formulating business strategies that are robust to unforeseen shocks, such as pandemics or technological disruptions.
FROM THEORY TO EVERYDAY LIFE
In practice
Investing Under Uncertainty
An investor cannot predict rare market crashes (Black Swans), but can avoid being a sucker by diversifying across uncorrelated assets, avoiding leverage, and focusing on robust portfolios rather than precise forecasts.
Career Planning in a Volatile World
Someone uncertain about their industry’s future develops transferable skills, maintains professional contacts, and considers alternative roles. These steps create options without assuming that any skill will remain valuable under every possible change.
A MOMENT TO REFLECT
Put it to work.
What are some things you cannot control but you worry about? How can you shift focus to what you can do to avoid being a sucker?
How can you apply the principle of noncommoditized thinking to your own work or life decisions?
In what areas of your life might you be falling for phony skepticism?
Often confused with
References
- The Black Swan — Nassim Nicholas Taleb (2007)
CONTINUE THE CONVERSATION
Source texts
- The Black Swan The Impact of the Highly Improbable With a new section On Robustness and Fragility (Nassim Nicholas Taleb)