New blog post: Compositionality and the Mass Customization of Economic Models, by Philipp Zahn cybercat.institute/2024/07/15/use…

"Calculating Empires" is the most amazing visualisation I've ever seen, a work of art at every level, spent minutes scrolling and there appears to be no end. calculatingempires.net

Johannes Itten 🎨 Color Sphere in 7 Light Values and 12 tones, 1921. Learn more about the Book of Colour Concepts: shop.bauhaus-movement.com/book-colour-co…

Long in the making: The history of design education (and management science) at the Bauhaus, and the things we can learn from it for economic design. Aptly titled, "The Bauhaus and economic design" on econpatterns. econpatterns.substack.com/p/the-bauhaus-…

Five years ago, inspired by KnoTiles, I had the idea of making BraidTiles. I made them out of paper (divisbyzero.com/2019/05/01/bra…). This weekend, I made some out of wood. There is room for improvement, but it's a good first try.

There's a non-zero chance that sometime in the not-so-far future we will think of the “Bayesian Revolution” in the same way we think of the “Marginal Revolution”. New newsletter out on econpatterns. econpatterns.substack.com/p/beliefs-beli…

How to think about politics in five minutes, now on EconPatterns. econpatterns.substack.com/p/a-five-minut…

New blog post: Beliefs, Belief Propagation and Belief Clusters, by 🅾️𝕝𝕚𝕧𝕖𝕣 🅱️𝕖𝕚𝕘𝕖 econpatterns cybercat.institute/2024/08/15/bel…

Unobservables vs. counterfactuals.

"Just as the ability to devise simple but evocative models is the signature of the great scientist so overelaboration and overparameterization is often the mark of mediocrity." — George Box, 1976.

Despite its bad reputation, "flat earth" is a perfectly scientific, mathematically grounded, and highly useful model of reality. "On modeling" is out on econpatterns.

Of mice and tigers.

“I once asked Herbert Simon what was the concept that most influenced his work, and he gave me two in answer: system, which I expected, and the tree structure, which I did not.” — Hunter Heyck, Age of System. play.google.com/store/books/de…

Delighted to announce the publication of my book 𝘔𝘰𝘥𝘦𝘭𝘭𝘪𝘯𝘨 𝘌𝘶𝘳𝘰𝘱𝘦, with Antonella Rancan (#PalgravePivot Palgrave Economics)! A new look into the role of multi-country macroeconometric modelling in the building of the European Union. Overview: link.springer.com/book/10.1007/9…

mdpi.com/2073-4336/15/5… "Nash Equilibria and Undecidability in Generic Physical Interactions—A Free Energy Perspective" by Chris Fields and James F. Glazebrook Abstract We start from the fundamental premise that any physical interaction can be interpreted as a game. To

New post: On Modelling, by 🅾️𝕝𝕚𝕧𝕖𝕣 🅱️𝕖𝕚𝕘𝕖 econpatterns cybercat.institute/2024/09/02/on-…

Art in economics typically pops up as a byproduct of a prosperous society to help wealthy patrons show off their refinement. How we have to tweak economics to come to conclude that art creates prosperity is the topic of the new econpatterns newsletter. econpatterns.substack.com/p/art-science-…

New blog post: Foundations of Bidirectional Programming II: Negative Types, by julesh cybercat.institute/2024/09/05/bid…

The five systems of the Viable System Model (VSM) by Stafford Bier. en.wikipedia.org/wiki/Viable_sy…