Request for proposals: HPE and the United States. Papers for a special issue of @JHPE_journal, with a conference @USCPrice in early May. Details below.

Join us for a discussion on 26 years of the Bolivarian Revolution, its promises and collapse, and what this experience reveals about the relationship between populism, democracy, and prosperity. 📅 Oct 22, 5:30 pm | UPenn PCPSE 250 🔗 Register here: https://t.co/ysdi5lU2xI

Today Robert P. George (Princeton) presented his newest book: Seeking Truth and Speaking Truth. He argues that like markets need trust and shared norms, societies too require the pursuit of objective truths, not just feelings, to sustain freedom and cooperation.

We host Christopher Clayton (Yale), presenting “International Currency Competition.” He argues competition makes it harder for countries to build reputation as safe-asset issuers, keeping many stuck low, while the U.S. can use its debt policy to crowd out challengers like China.

We open our Fall 2025 seminars with Nuno Palma (U. Manchester), presenting Justices of the Peace: Legal Foundations of the Industrial Revolution, which shows how legal capacity through Justices of the Peace underpinned law, regulation, and taxation for long-run growth in England.

En esta entrevista (en español) explico mi trabajo con @YiliangLi_, @FZanettiOxford y @lexuupenn sobre las sanciones petroleras y cómo medimos las exportaciones ilegales de crudo usando un algoritmo de inteligencia artificial: 🎥 https://t.co/M1ohnePOOT Gracias a

🎓 Today I delivered the final lecture of @Penn_Exchange’s Foundations of Economic Thought summer course by focusing on the evolution of macroeconomics from 1970 to 2000: 🔗 https://t.co/OotfTWGwMr 🧠 Unsurprisingly, @UMN_Econ features prominently in the story (although

📘 Continuing the series of slide decks from @Penn_Exchange’s Foundations of Economic Thought summer course, today I share: 📚 Karl Marx and the Marxian Tradition https://t.co/YsdgkHPJuS This is a significantly longer set of slides—designed to support at least five hours of

Yesterday, I explained how, in “Charting the Uncharted: Oil Sanctions and Dark Shipping” (with @YiliangLi_, @lexuupenn, and @FZanettiOxford), we used machine learning 🤖 to uncover that the dark fleet🚢transported 9.3 million metric tons of crude oil per month between 2017 and

Grateful (and a bit nervous!) to have received the 2025 Penn Global Research and Engagement Grant (@PennGlobal), especially in such tight budgetary times. The book will be based on my course, The Economic History of Latin America. You can get all the slides here:

Posting the slides for Lecture 2 of our PISM course on foundational thinkers in economics: Adam Smith (1723–1790) and the Scottish Enlightenment: 📄 https://t.co/EJ78yX0ilx 🎥 Videos here: https://t.co/1r9l0Uj84T And no, I haven’t forgotten I want to post more on some

On June 19th, PISM (the center I direct at Penn Economics) launches our annual summer open online course. This year’s theme: Foundational Thinkers in Economics. 🧠 https://t.co/khUgNjWxMT Over 11 sessions (Tues & Thurs, 11:30am EST), we’ll cover: Xenophon, Aristotle, Aquinas,

Explore how economic thought evolved from medieval philosophy to modern theories, starting June 19. 📘 6 open online sessions 🗓️ Tues & Thurs at 11:30am EST 🧠 Thinkers: Aquinas, Smith, Marx, Marshall, Keynes, Friedman, Hayek 🔗 https://t.co/S1CQaCpGDh

Given the unexpected success of my presentation on the demographic future of humanity, I am reposting a podcast I recorded with @_alice_evans a few months ago on the same topic: https://t.co/9aajqONe7P It was a lengthy conversation, but I found it interesting. In any case,

I’m sharing my slide deck on the demographic future of humanity, 🔗 Slides: https://t.co/LelNVSSmK2 prepared for the keynote address I will give tomorrow to the 7th EBRD and CEPR Research Symposium on “The Economics of Demographic Change”: 🔗 Symposium: https://t.co/Tozxyeag87

Excited to be lecturing next week at Oxford (#OxfordEconomics) on geoeconomics; offering an overview of the field and discussing some of my own work, from measuring geopolitical fragmentation to using machine learning to track global shipping. 📅 30 May, 1.30 pm 📍 Oxford &

On Friday, April 11, I’m co-hosting a conference at Penn on Quantum Computing Applications in Economics and Finance: 🔗 https://t.co/vBSP5xtTws If you’re around Penn, join us at the PCPSE Auditorium! Curious why quantum matters for econ? 🧵 A quick thread on why we should care.

📢 ¡Mañana es el gran día! Este viernes 4 de abril estrenamos el episodio #33 de Ceteris Paribus 🎙️ 🔍 Corrupción y naufragio 💡 Invitado: Fernando Arteaga (@penn) 🎧 Conduce: @AngelAlvaradoR No te lo pierdas. Disponible en tu plataforma favorita.

DEADLINE EXTENDED 🚨 Ethics & the Market 2025 Summer Seminar! Discuss fundamental principles of economics, society, ethics, and human nature as we explore and evaluate Adam Smith, Friedrich Hayek, John Rawls, and more. Undergrads, grad students, and young professionals apply

🧵New paper (with my students @PatRubenFitz and @jrhall97) forthcoming at the Scandinavian Economic History Review. It makes a simple point: there was less inequality than you think in America 1921-41 and it fell faster than you think. 1/n