Elsewhere

John Conway on Besicovitch

• Abram Besicovitch was friends with Sraffa and gave him advice on mathematics.
• Clara Mattei defines capitalism.
• A documentary, "Amazon created the socialist dream". I think the narrator does not know about linear programming. But maybe deep learning is better for some applications.
• Pol Antràs explores capital theory:
• An 'Austrian' model if international specialization, working paper, 2026, with Adrian Kulesza.
• Measuring the average period of production, AEA Papers and Proceedings, 2025, with Vitalii Tubdenov. As far as I can see, this paper defines the APP to be Bohm Bawerk's obsolete average with simple, not compound, interest.
• Interest rates and world trade: an 'Austrian' perspective, AEA Papers and Proceedings, 2023.
• Bob Murphy interviews Pol Antràs.
• Arin Dube has a substack.
• Paul Krugman interviews Arin Dube.