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Mental Models

The Nonlinearity of Wealth

Taleb argues that greater wealth can bring disproportionate complexity, larger potential errors, and more fragility. He compares the unpredictability of large projects with smaller ones.

THE IDEA

The Nonlinearity of Wealth

We can certainly attribute the fragilizing effect of contemporary globalization to complexity, and how connectivity and cultural contagions make gyrations in economic variables much more severe—the classic switch to Extremistan. But there is another effect: wealth. Wealth means more, and because of nonlinear scaling, more is different. We are prone to make more severe errors because we are simply wealthier. Just as projects of one hundred million dollars are more unpredictable and more likely to incur overruns than five-million-dollar ones, simply by being richer, the world is troubled with additional unpredictability and fragility. This comes with growth—at a country level, this Highly Dreamed-of GDP Growth. Even at an individual level, wealth means more headaches; we may need to work harder at mitigating the complications arising from wealth than we do at acquiring it.

When to use it

  • Evaluating the risk of large-scale infrastructure projects

  • Assessing the impact of GDP growth on a country's stability

  • Personal wealth management: understanding that more wealth can bring more complications

  • Business scaling: why rapid growth may introduce new vulnerabilities

FROM THEORY TO EVERYDAY LIFE

In practice

01

Large vs Small Projects

A $100 million project is more unpredictable and likely to incur overruns compared to a $5 million project, illustrating how size (wealth) increases fragility.

02

Individual Wealth Complications

As individuals accumulate wealth, they face more complications and headaches, similar to how larger economies become more fragile.

✳

A MOMENT TO REFLECT

Put it to work.

  1. How does nonlinearity of wealth affect your personal financial decisions?

  2. In what ways might a company's growth lead to increased fragility?

  3. Think of a large project you've been involved in—did it have more unexpected issues than smaller ones?

Connected ideas

Another lens can bring the same problem into focus.

CONTINUE THE CONVERSATION

Source texts

  • Antifragile (Nassim Nicholas Taleb)
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