🚨 New AI Games round is live 🚨 Our first AI Games paper is now out at a top general interest journal (see preprint here: www.econstor.eu/bitstream/10... So… we’re launching the next stage 👇

Today, I participated in Radio Sweden Weekly discussing the government's proposed law change that will block refugees from being able to get permanent residence in Sweden, and what impact it could have on potential migration flows in the future 👇

Nature research paper: Reproducibility and robustness of economics and political science research go.nature.com/3QdKP93

Jag har skrivit ett gästinlägg på Ekonomistas om det senaste inom replikeringslitteraturen 👇

New publication in @nature.com! 🤩 @ollehammar.bsky.social is one of many co-authors on this metastudy on the "Reproducibility and robustness of economics and political science research": www.nature.com/articles/s41... 🎉

Extremely happy to see our meta paper on the reproducibility and robustness of economics and political science now published in @nature.com! 🥳

Tisdagen den 31:e mars kl 15-16:30 diskuterar Gabriel Zucman och Daniel Waldenström ojämlikhet i Aula Magna på Stockholms universitet (dörrarna öppnar 14:40). Vi hoppas på många besökare men eventet livestreamas här för dem som inte kan delta på plats: www.su.se/english/divi...

Yesterday, @ollehammar.bsky.social and Mats Hammarstedt, together with Lawen Redar (S) and Linda Lindberg (SD), participated in a panel on integration policy organized by SNS. Watch it here 👇

Jag kommenterar potentiell migration från Iran i Godmorgon världen i P1 👇

On March 26, @ollehammar.bsky.social and Mats Hammarstedt will discuss integration policy together with the Minister for Migration Johan Forssell (M), Lawen Redar (S) and Linda Lindberg (SD) at a seminar organized by the Center for Business and Policy Studies (SNS)!

Gabriel Zucman och Daniel Waldenström diskuterar förmögenheter och ojämlikhet på Stockholms universitet den 31:e mars. Öppet för allmänheten. Sprid gärna! www.su.se/enheter/nati...

🚨 Closing Tomorrow 🚨 Call for Papers: 24th Nordic Conference in Development Economics (NCDE) 2026 Linnaeus University @linnaeus-econ.bsky.social Keynote Speakers: Jonas Hjort Rohini Somanathan Paper Submission Deadline: 28 February 2026 Read more here: theeconomicmisfit.com/2026/02/06/n...

Today's cool young researcher #econtwitter #econsky is Olle Hammar @linneuni#econtwitter#econskyhandels_sse who works on topics including migration, inequality + replication .

⏰ Only one week left to apply! Submit your papers and join us for a great conference in Växjö in June! 😎

📢 Call for Papers: Nordic Conference in Development Economics 2026 (NCDE) Keynote Speakers: Jonas Hjort Rohini Somanathan Read more here: theeconomicmisfit.com/2026/02/06/n...

📺✨ Earlier this week @ollehammar.bsky.social was interviewed in TV4 Nyheterna 👇

New Discussion Paper from RFBerlin! Mikael Elinder, Oscar Erixson, and @ollehammar.bsky.social examine how the invasion of Ukraine affected sentiments in Russia. How do major geopolitical events shape public attitudes? 🔗 www.rfberlin.com/wp-content/u...

Imorse gästade jag TV4 Nyhetsmorgon för att prata integration och värderingar: www.youtube.com/watch?v=uH_5...

"Putin’s support increased despite the war" — @futures-studies.bsky.social reports about a study by @ollehammar.bsky.social and co-authors 👇

"Det blir som en ny slags klasskillnad, mellan bostadsägare och de som hyr sina bostäder", säger @ollehammar.bsky.social, nationalekonom som forskar på förmögenhet och ojämlikhet i Sverige.

👏 Huge congratulations to @s-stantcheva.bsky.social (who recently also became affiliated with our new Linnaeus University Centre for Equality of Opportunity and Big Data Policy Analysis)! 🤩

🚨 Call for Papers 🚨 We are pleased to invite submissions to Linnaeus Inequality Summit, a new annual research conference organized by Linnaeus University Centre of Excellence Equality of Opportunity and Big Data Policy Analysis. The conference will take place on June 2-3, 2026, in Växjö, Sweden.

It is a common hope that Russia's war in Ukraine will erode domestic support for the Kremlin. However, survey data show that the invasion of Ukraine produced a sharp and enduring surge in pro-Kremlin sentiment in Russia. M Elinder, O Erixson, @ollehammar.bsky.social cepr.org/voxeu/column... #EconSky

Read our commentary on ”Gender Bias in Parental Attitude”, now out in print! 👇 @i4replication.bsky.social

Join us for NCDE 2026 in Växjö! Submissions now open! 👇

👋 Join the launch of the new Center for Migration and Integration Research at @sthlmschoolofecon.bsky.social on January 29! With me, @linlerpold.bsky.social, @lisapelling.bsky.social, and many more! forms.office.com/pages/respon...

🎉 New year, new gig! 🎉 I'm very excited to (part-time) join the brand new Center for Migration and Integration Research at @sthlmschoolofecon.bsky.social! 🥳 www.hhs.se/en/research/...

🚨 We have a new VoxEU column @voxeu.org on 🇷🇺🇺🇦 ”How foreign wars can consolidate authoritarian power: Evidence from Russia’s invasion of Ukraine”: cepr.org/voxeu/column... (w/ @mikaelelinder.bsky.social & Oscar Erixson)

📢🚨 PhD position in my new "@welgain.bsky.social" project 🚨 📢 I am looking for a 🎓 PhD student 🎓 interested in impact evaluation, welfare programs, labor & public economics, social policy & inequality, to work with me at NTNU in Trondheim (www.ntnu.edu). (1/3) 👇

The #IIPF2026 Call for Papers is out! 👉 www.iipf.org/papers/Call%... Submit your public finance paper by Feb. 15, 2026. Further information on the congress at www.iseg.ulisboa.pt/en/event/iipf/ Organizers at ISEG 👇 and Scientific Chairs Naomi Feldman and @dforemny.bsky.social #EconConf #EconSky

🎉 Good news! We have received funding from Handelsbanken's research foundations for organizing the Nordic Conference in Development Economics (NCDE) 2026 at @linnaeus-econ.bsky.social in Växjö! 🙏 Save the dates: June 15-17. More info soon! w/ @erikprawitz.bsky.social & @jakobenlund.bsky.social

🚨New blog post: Replicators, rejoice! Episode 1 of the new series is out: “A New README.” A practical guide to transforming messy project folders into clear, well-structured documentation that strengthens transparency and reproducibility. See more at i4replication.org/dont-panic-a...

This Editorial Note (@sararcurran.bsky.social & @fertmortmig.bsky.social), Commentary (@ollehammar.bsky.social et al) & Response (Begum et al) address journal editorial processes & focus on issues raised regarding the 2018 piece “Gender Bias in Parental Attitude.” read.dukeupress.edu/demography/a...

🚨 Our comment on Begum, Grossman & Islam (2018) is now out in Demography @readdemography.bsky.social (w/ @carlbonander.bsky.social, Bensch, @nikljako.bsky.social & Brodeur @i4replication.bsky.social): doi.org/10.1215/0070...

Happy to announce a 4th edition of the Workshop in Economic History in Uppsala, with the great @essobecker.bsky.social as keynote! Workshop takes places on May 28-29, 2026, in Uppsala. Apply by January 31, 2026. Here is the Cfp: www.dropbox.com/scl/fi/6xdmp...

Läs Ownershifts senaste rapport om barns sparande "Äger pojkar och flickor lika mycket?": www.ownershift.se/reports/ager... 👇

Finally, we also have a new Affiliated Professor: @s-stantcheva.bsky.social! Stefanie is Professor of Economics @harvard.edu, Founder & Director @socialeconomicslab.bsky.social, the 2025 John Bates Clark Medalist, and Editor @qjeharvard.bsky.social. We’re very honored to have Stefanie joining us! 🤩

Second, we have a new Visiting Professor: Jérôme Adda! Jérôme is Professor of Economics at Bocconi, Research Director @rfberlin.bsky.social, and Programme Director @cepr.org. He has also been Editor @reveconstudies.bsky.social. We’re extremely proud to have Jérôme joining us and his Småland roots! 🇸🇪

Proud to be an @i4replication.bsky.social Fellow! 💫

Together w/ @odissei.bsky.social, I4R is organizing CBS Replication Games, re-analyzing 6 papers w/ Dutch administrative microdata! Teams get 1 month of microdata access in Feb 2026, meeting in Utrecht for a three-day hackathon. Interested? Register by Nov 30! tinyurl.com/yx3e7b3a

⛷️ Strong recommend on this Winter School 👇

Superb research and engagement at ASWEDE's 10th conference. Thanks to everyone who made this event memorable! #ASWEDE2025

ASWEDE's 10th Annual Conference kicks off tomorrow at Nääs Fabriker! We look forward to sharp presentations and discussions on development economics from PhD students and senior researchers. Program: bit.ly/3K1sRUJ

CfP🗣️: 7th edition of the Workshop on the Economics and Politics of Migration. 28-29 May 2026, in Rome! Organised by CEPR/King's College/EBRD/Sapienza Keynotes are Paolo Pinotti (Bocconi) and Vicky Fouka (Stanford). Submit your papers: docs.google.com/forms/d/e/1F... Deadline 23 Jan. 🤓🔥🍕🍝🍷

En tanke på fars dag till min morfar Lennart Berggren som hade varit 98 år idag och som 25-årig filosofistudent i Lund var den sommarvikarierande visselblåsaren som avslöjade Vipeholmsexperimenten: sverigesradio.se/play/avsnitt...

🎉 Honored to join @rfberlin.bsky.social as a Research Affiliate!

There's less than 1️⃣ month to go until the deadline for submissions to our #CallForPapers for the 2026 World Inequality Conference. 🏃‍♀️Hurry up and submit your paper by 1 December! inequalitylab.world/en/event/wor...

Den årliga rapporteringen 👇

Here are our 5 Job-market candidates this year: a strong cohort of excellent researchers, from macro to health and labor/AI. Have a look: www.uu.se/institution/...