The sources list numerous posts, course materials, and curated links from Brad DeLong, often focusing on economic history, political critiques, and the evolution of social cognition.

Economic History and Course Materials

• Econ 210a: Introduction to Economic History: This includes an exploration of why the Agrarian Age stayed poor and the nature of the "long-run trap" 1.
• Quantitative Long-Run Global Economic History (Econ 196): A special topics course for Spring 2026 2.
• Pre-Class Assignment: Titled "Breaking Through: The Coming of Commercial-Imperial Society" 3.
• The Birth of Science: A comprehensive analysis of how a "social machine" for curiosity and interventionist epistemology emerged in early modern Europe, transforming specialized debate into cultural currency 4-10.

Political and Institutional Critiques

• The Global Authoritarian Movement: DeLong crossposts Josh Marshall’s work on the "Authoritarian International" 11. He adds his own analysis regarding the shift toward parasocial relationships in the modern mediasphere, where social cognition is triggered by charisma and outrage without the feedback loops that traditionally tamed them 12-15.
• "ORANGE MAN, BAD MACRO": A critique of Trump’s "war" on Federal Reserve Chair Jay Powell and the rejection of economic-policy reality 16, 17.
• Tariff Opinions: Posts regarding the "Corrupt & Craven Supreme Court" and its decisions on tariffs 18.
• "From Plato to NATO to MAGA": An examination of Marco Rubio's "myths" regarding the Western Alliance 19.
• "The Man of System": Drawing on Adam Smith and Friedrich Hayek, DeLong discusses the "arrogance" of sovereign princes who view the state as made for themselves rather than themselves for the state 20-22.

Critiques of Marxism and Academic Theory

• Threads of Marxism: DeLong outlines six specific threads (Theology, Stage Theory, Sociology, etc.) that define being a "Marxist" in a meaningful sense, rather than using the term as a mere tribal marker 23-25.
• Shared Content: He shares Joseph Heath's work on the decline of academic Marxism 26.

Technology and Modern Life

• Apple’s Trajectory: An evaluation of Apple as an institution, noting its "hyper-excellent" achievements in silicon and manufacturing alongside "strategic blindness" regarding AI and a deteriorating relationship with developers 27-29.
• AI and the Liberal Arts: A "query to self" on whether to incorporate an introductory digression on the Liberal Arts, Education, and AI into his classes 30.
• World Models: A note stating that without a world model, correlation matrices will "always hallucinate" in unpredictable ways 19.

Curated Links and Shared Content

• Timothy Snyder: "Ethnic cleansing in Ohio" shared via DeLong 31.
• William Shakespeare: A post featuring Ian McKellen performing a speech from Thomas More regarding the treatment of immigrants 32-34.
• Daniel W. Drezner: "Revenge of the Toddler in Chief" shared via DeLong 23.

If you would like to explore DeLong's specific views on economic history or his critiques of modern politics, I can create a tailored report or flashcards to help you synthesize these different threads. Let me know how you would like to proceed!