Just got my hands on the physical copies of this cutie patootie. We will be launching this book in London in about a month.

Languages like Spanish and French distinguish between knowledge and know-how. Maybe our economic debates should, too.

The US-Mexico border is not a dividing line, but a seam connecting thousands of value chains.

Explore what it means to make something in North America at bordervalue.com

This is the best book I’ve read this year. It is also an important book. In a world obsessed with AI, Max Bennett approaches intelligence from a key point of view: biology.

The political asymmetry of the fertility crisis.

NEW PAPER: The Theory of Economic Complexity

The Economic Complexity Index or ECI is a widely used empirical tool with an unclear theoretical basis. In this paper, we change that by formally deriving ECI for several production functions and showing what it really does. 👇🧵

arxiv.org/html/2506.1882…

What is the geography of your academic impact?

Today we released new maps in Rankless.

Explore citation maps for 3.8M+ scholars, 29k+ institutions, & 100s of countries.

rankless.org/countries/chl

Los €500M anunciados por la UE para atraer talento a Europa, ¿son comparables con el pago anual del endowment de Harvard o Yale?

No, nuestro esfuerzo continental esta al nivel de Ohio State.

En esta columna pongo a Choose Europe en contexto y ofrezco unas soluciones.

elpais.com/ciencia/2025...

Cities in southern #Brazil appear to be places of opportunity for migrants, while northern cities offer immediate bonuses but show less of a permanent + trajectory. Workplace level segregation can explain this.
E Glaeser, M Viarengo, @cesifoti.bsky.social, R Barza
cepr.org/voxeu/column...
#EconSky

Open postdoc position at @ceu-dnds.bsky.social in Vienna in the Computational Human Dynamics Lab of @martonkarsai.bsky.social on inequalities in 15-minutes cities in collaboration with www.dut-coline.org. Check it out: careers.ceu.edu/job/Vienna-P...
@ic2s2.bsky.social @netscisociety.bsky.social

1. New Working Paper:

Optimizing Economic Complexity

For more than a decade scholars have been using relatedness-complexity diagrams to identify industrial diversification opportunities.

But these diagrams suffer from some important limitations ... 🧵

The Infinite Alphabet is complete!

After two years of hard work, I just sent the final draft to my editor.

It should be available in bookstores starting on November of this year.

feel like I've shown this figure so many times in the past few weeks I should just post it here so

1. When you travel for work you see few sights but many faces. You learn directly from people who tell you about the best & worst of their countries.

I arrived in Indonesia 🇮🇩 last Saturday …

Mexico is by far the number one trade partner of the US.

It is well integrated into American value chains, especially in electronics and automotive.

This year the US imported from Mexico:

🚙 $31B Cars
💻 $28B Computers
🚚 $24B Delivery Trucks
/2

What states and industries will bear the impact of new tariffs on Mexican and Canadian products?

Mexico & Canada are key trade partners for the US. They represent 28% of US imports & 33% of US exports.

So there is a lot to unpack on this monster thread on trade 🧵👇/1

Hi,
Where can you change this? (On mobile).
Asking for a friend 🙃

New PNAS paper.

Historical GDP per capita data is scarce, but data on the places of birth, death, and occupations of famous individuals is abundant. Here we use detailed biographical records to roughly quadruple the historical availability of GDP per capita estimates.
www.pnas.org/doi/10.1073/...