Luís M. A. Bettencourt

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816 appearances 1 recordings 1 series first heard Jul 2026 last heard 27 Jul

Luís M. A. Bettencourt’s voice in public audio — every appearance, attributed to the second.

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Recordings per month over the last 12 months — 1 in all, peaking in Jul 2026 with 1.

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The other aspect is that, of course, we went to see when this thing breaks.

So does it break if we go to China?

Does it break if we go to the Romans?

in history.

And there are a bunch of really beautiful things that you find in data.

So let me just say a few.

So the short answer is that these numbers are very robust.

We observe them in almost every nation in contemporary nations.

In China, it seems, you know, the data get a little rough before 2000.

But ever since, basically, this number emerges.

And before that, we don't know if it's data or something else.

But in Europe, most European countries don't have a lot of cities.

They are large.

But again, we observe the same number, essentially.

We observe the same number in Brazil and South Africa and everywhere we measured, basically, the number is similar.

There are countries that have a small number of cities and are dominated by one where the number is a little bit less, more uncertain.

Like, for example, the UK has London being very big and so on.

But basically this number is similar.

And then we went through history.

So there's a beautiful experiment, like what people now call natural experiments, which is when the Spanish get to Mexico.

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