Institute for International Economic Studies
@IIES_Sthlm
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Welcome to the IIES Stockholm University - one of Europe's leading institutions for research in economics.
Stockholm University, Sweden
Joined January 2016
Explore our JMCs! This year’s cohort brings cutting-edge work in macro, trade, political econ, labor, the environment, & health tackling topics from structural transformation & growth to market concentration, education, climate policy, & vaccine hesitancy. https://t.co/rZZNw0ehPt
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IIES Professor Torsten Persson has been appointed Vice President of the ERC Scientific Council (from 1 Jan 2026), representing the social sciences & humanities. A fantastic recognition of his leadership in economics and research excellence! Read more 👇 https://t.co/krXBzAsdnO
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bAP3X is now trading on @QuickswapDEX. A new liquidity route for Apex Fusion on @base is open.
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EdTech isn’t a quick fix — it works only when paired with strong pedagogy. New VoxDevLit review co-edited by IIES’s @Lnavarrosola shows that targeted, instructional tech boosts learning, while device-only programs often fall short. https://t.co/BSv6k74CnV
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🥳 Huge congratulations to Prof. @kbburchardi - winner of the 2025 Assar Lindbeck Medal! 📷 His innovative microdata-driven research on migration, networks and development continues to advance the field. Truly well deserved! https://t.co/ZN6JasA2sn
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📢 Our new VoxDevLit on EdTech is out now! Senior Editor @singhabhi @handels_sse & Co-Editors @Lnavarrosola @IIES_Sthlm & @POreopoulos @UofT, summarise everything you need to know about EdTech. Read & download here: https://t.co/Qpol9ss9Zh
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🎉 YouWare Challenge Hackathon is LIVE! $10K+ in prizes. Build something with YouBase. Powered by @contra. Enter below!
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TOMORROW Tues 2 Dec at 1 pm (CET) we are very much looking forward to hear @POreopoulos from @UofT present his paper "Computer-Assisted Learning in the Real World: How Khan Academy Influences Student Math Learning" https://t.co/B6kX2AqKJ5
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Nice write up on my work studying the expiration of UI benefits at the end of 2013 in AEJ Macro @IIES_Sthlm
The abrupt end of unemployment benefits in 2013 led to a surge in employment and labor force growth, especially in states with larger cuts in benefit duration, say researchers at @UniOslo, @Penn, and @Stockholms_univ. #Chart
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Explore our JMCs! This year’s cohort brings cutting-edge work in macro, trade, political econ, labor, the environment, & health tackling topics from structural transformation & growth to market concentration, education, climate policy, & vaccine hesitancy. https://t.co/iZObvnl7i8
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We are very happy to have Kieran Larkin @IIES_Sthlm this week in our Macro @EPoS224 Seminar at @EconUniMannheim presenting "The Rise of Women and Decline of Education" @TertiltMichele @tom_krebs_ @MatthiasMeier1 @az_miren @AnaMoreMaldo @MinkiKim_Econ @eacabbi @AndrejMijakovic
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Trump v. Slaughter will overturn Humphrey's Executor, giving Trump control over "independent" agencies. The dishonest part nobody's discussing: Congress created these agencies WITH independence protections. Creation and governance are interdependent. If those protections are
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TOMORROW Tues 25 Nov at 1 pm (CET) we are very happy to welcome @ALPWillen from @NHHnor who will present his paper: "Beyond Training". https://t.co/nTk1gKIptV
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🎉 IIES AP @Lnavarrosola has won 2nd prize at the Banamex Economics Prize! Her paper w @raissafabregas shows how Mexico’s low-tech TV-schools boosted graduation rates & raised earnings: a compelling case for technology expanding educational opportunity. https://t.co/SpDcG20vEw
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Accounting for these dynamics matters: ignoring adjustment costs understates substitution potential and overstates needed carbon taxes. With the improved model, Germany could cut fossil use with a 50% lower carbon tax and ⅓ the output loss. 🌍
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When output rises, electricity use jumps 3x more than fossil fuel use. Standard production models predict equal responses so they miss an important real-world friction. Thore shows this can be explained by adjustment costs in fossil fuel use.
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Upgrade your timeline: Markets: @QuasarMarkets Finance: @qmbigbeat Marketing: @MikeKhristo Ads: @BHaelig PE: @Nick4Pillars
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Observable traits (like location, industry, or products produced) can’t explain this heterogeneity. Something else shapes how “green” a plant’s energy mix is. Thore digs deeper into how plants adjust fossil vs. electricity use when demand shifts.
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Fossil fuels make up 70% of energy use in German manufacturing. But across plants, energy mixes differ a lot: there’s 5x more variation across plants (even within the same 4-digit industry) than within plants over time.
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🌱 Can the plants turn green? — this JMP by IIES JMC Thore Petersen studies how German manufacturing plants can substitute fossil fuels with clean energy. Spoiler: switching is actually easier than standard models suggest. 🧵 https://t.co/job4kzC2Jv
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IIES Professor Torsten Persson will be a plenary speaker at the IEA World Congress 2026 in Belgrade, joining internationally acclaimed economists Esther Duflo, Elhanan Helpman, Oleg Itskhoki, Jean Tirole & Hélène Rey. https://t.co/R93dIicOLu
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We're launching usage-based pricing today. Your most valuable data is trapped in formats you can't use—PDFs, images, documents, audio, etc. The future involves turning any unstructured input into structured data in <60 seconds with infrastructure that powers internal and
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🎁Bonus takeaway: Even without a slowdown in innovation by dominant firms, concentration can quietly slow growth by hampering the reallocation of resources.
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When concentration rises, productivity first accelerates—as resources shift toward more productive firms—and then slows as reallocation opportunities diminish, mirroring the U.S. productivity boom of the late 1990s and subsequent slowdown.
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📊The model replicates key patterns in the data even though firms’ productivity processes remain unchanged.
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