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Julien Pascal @Juli3nPascal
Joined December 2017
  • Tweets 509
  • Following 716
  • Followers 691
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Julien Pascal@Juli3nPascal
19 Dec 2025
I am really thrilled to see this article finally in press! πŸ‘‰onlinelibrary.wiley.com/doi/… The paper is a survey on Heterogeneous Agent (New Keynesian) models [HA(NK)]. It reviews (i) selected key mechanisms in HA(NK)s models and why we should (or not?) care and ... 1/5
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Isaac Baley@isaacbaley
Jun 3
The program for the 2026 Society for Economic Dynamics Annual Meeting in Athens is out! It has been a dream to work with Jen-Jen La'O and our amazing committee to put together this year's program. editorialexpress.com/confere… *Small logistical changes might still come.
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LLM on Macro: "One camp - call it the "IS-LM plus common sense" school - argues that for 90% of policy questions, the old framework with some mental adjustments for expectations and inflation gives you the right answer. People like Blanchard, Krugman operate roughly in this mode"
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behavioral parameters like the MPC aren't stable, so a model that treats them as fixed constants will give wrong predictions precisely when you need it most."
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LLM hallucination, or correct shared consensus?
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"Submit paper" (1968) "Get referee reports" (1972) "Accepted for publication" (2026)
Noah
@NoahKingJr
Apr 8
Our Home from Moon. 'Apollo 8' (1968) 'Apollo 17' (1972) 'Artemis II' (2026)
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Could be improved, but Economics is ranked 1st in terms of "precisely reproduced". (0% "precisely reproduced" in Education, really?🧐)
Marc Porter Magee πŸŽ“
@marcportermagee
Apr 1
Education research the least likely to replicate according to a huge new paper published by Nature
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Economists in 2030 be like:
Noah
@NoahKingJr
Mar 30
Coders in 2030 be like:
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John Stachurski@john_stachurski
Mar 26
We added a new and final chapter to Dynamic Programming Vol II (DP2) on approximation and reinforcement learning: dp.quantecon.org/. DP1 and DP2 will always remain freely available online -- give me liberty or give me death πŸ€ŸπŸ’€

Dynamic Programming

Dynamic Programming: Volume I (Finite States) and Volume II (General States). By Thomas J. Sargent and John Stachurski.

dp.quantecon.org
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DynareTeam@DynareTeam
Mar 25
Ready to master DSGE modelling? πŸ“Š The Dynare Masterclass 2026 is here! πŸš€ Not only for students πŸ‘©β€πŸŽ“, but also junior/senior economists 🀷🏼! πŸ—“οΈ 6-10 July 2026 πŸ“Paris πŸ‘‰Apply Now: dynare.org/events/dynare-mas… #Dynare #Dynare2026 #Macroeconomics #CentralBanking #DSGE
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John Stachurski@john_stachurski
Mar 21
Tom and I have finally finished a draft of Dynamic Programming Vol 2! Exhausting but satisfying. New approach to DP theory, advanced material, many applications... dp.quantecon.org/

Dynamic Programming

Dynamic Programming: Volume I (Finite States) and Volume II (General States). By Thomas J. Sargent and John Stachurski.

dp.quantecon.org
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DynareTeam@DynareTeam
Mar 20
πŸš€ Big News: Dynare 7.0 is out! Introducing powerful new toolkits for HANK, samplers, perfect foresight and massive performance improvements. Packages are available for download NOW: πŸ‘‰ dynare.org/download/ A quick summary below πŸ‘‡ (1/5)
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Simon Scheidegger@comp_simon
Mar 10
πŸ“’ AI Summer School/conference 2026 is open for applications! 3 intensive days for PhD students in economics & finance covering: Deep Equilibrium Nets, PINNs & heterogeneous agent models, LLMs, RAG, agentic AI & NLP Link: sites.google.com/carloalbert… @YuchengYang1993 @HECLausanneEcon
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🚨I just wrote a short paper on a generalization of the Parameterized Expectations Algorithm (PEA), recently published in Economics Letters πŸ™ πŸ“„ Paper: doi.org/10.1016/j.econlet.20… πŸ’» Replication code: github.com/JulienPascal/bc-M… πŸ§΅β¬‡οΈ 1/n
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[Practical payoff] The bc-MC-PEA lets you trade off: * exploring more states (M) * integrating shocks more accurately (N) Optimal values for (M*, N*) are derived in the paper. Easy to implement. 5/n
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Here is a blog post discussing and illustrating the paper with Python code/ πŸ“‹Blog post: julienpascal.github.io/post/… n/n

A Generalization of the Parameterized Expectation Algorithm | Julien Pascal

Introduction This blog post is about my work on a generalization of the Parameterized Expectations Algorithm, available here. The Parameterized Expectations Algorithm (PEA) is a classic computational...

julienpascal.github.io
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I am really thrilled to see this article finally in press! πŸ‘‰onlinelibrary.wiley.com/doi/… The paper is a survey on Heterogeneous Agent (New Keynesian) models [HA(NK)]. It reviews (i) selected key mechanisms in HA(NK)s models and why we should (or not?) care and ... 1/5
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Why combine results *and* methods in the same paper? To quote Lucas & Sargent (After Keynesian Macroeconomics, 1978): "The Keynesian Revolution was, in the form in which it succeeded in the United States, a revolution in method." 4/5
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"This was not Keynes's intent, nor is it the view of all of his most eminent followers. Yet if one does not view the revolution in this way, it is impossible to account for some of its most important features." 5/5
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