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Assistant Professor in Economics @linnaeus-econ.bsky.social. Researcher @sthlmschoolofecon.bsky.social. PhD from @uu.se. Inequality, migration, replication. http://www.ollehammar.com/
Olle Hammar









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Imorgon kommer jag att vara på Järvaveckan och prata om kulturell integration! Fredag 29 maj kl 13-14 i tält E18. Kom förbi! jarvaveckan.se/tent-activit...
Program out for the 1st Linnaeus Inequality Summit 🤩
🥳 New publication in @pnas.org! Happy to be part of this big experiment on AI and reproducibility led by @i4replication.bsky.social! www.pnas.org/doi/10.1073/...
@pauroth.bsky.social @danielwaldenstrom.bsky.social @linnaeus-econ.bsky.social @sthlmschoolofecon.bsky.social @futures-studies.bsky.social
💰⚠️ Sedan förmögenhetsskatten avskaffades 2007 har vi inte kunnat mäta förmögenhetsojämlikheten i Sverige. Vi har ägnat det senaste decenniet åt att bygga upp ett nytt förmögenhetsregister. Nu vet vi hur det ser ut! Läs om våra resultat på DN Debatt 📈📉 - www.dn.se/debatt/allt-...
☀️ I had a great time participating in the inaugural Linnaeus Inequality Summit together with an impressive group of researchers: lnu.se/en/meet-linn... 🇫🇷 Next up, World Inequality Conference @wid.world @pse.bsky.social: inequalitylab.world/en/event/wor...
🙏 @allie-green.com @saralowes.bsky.social @gjiang.bsky.social @khmusen.bsky.social @mettefoged.bsky.social @ollehammar.bsky.social @marielleappelkvist.bsky.social @jakobenlund.bsky.social @fanniforslind.bsky.social @jonaskolsrud.bsky.social @jpeternilsson.bsky.social @saravarn.bsky.social et al!
Linnaeus Inequality Summit is on! ☀️ Now with a fascinating keynote speech by Nico Voigtländer (UCLA) on "De-Polarizing Politics"! 🤩
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🎉 New publication in @pnas.org including three co-authors from our department - Joakim Jansson, Erwan Dujeancourt & @ollehammar.bsky.social! 👏 doi.org/10.1073/pnas...
#GDRI_rep Update 10 The orphan article has finally been retracted! Took more than a year, but at last. Read about our investigation (bsky.app/profile/i4re...) and updates ( #GDRI_rep). A good summary: a-ortmann.medium.com/the-asad-isl... and a-ortmann.medium.com/tallying-the...
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DN Debatt. Ny databas visar att Sverige och svenskar har blivit rikare och samtidigt mer jämlikt vad gäller förmögenheter, skriver fyra nationalekonomer.
www.dn.se
DN Debatt. ”Allt fler miljardärer – men klyftorna har ändå inte vuxit”
Olle Hammar
Olle Hammar
Olle Hammar
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
www.pnas.org
PNAS
Olle Hammar
Olle Hammar
Olle Hammar
Department of Economics and Statistics, Linnaeus University
Department of Economics and Statistics, Linnaeus University
Department of Economics and Statistics, Linnaeus University
Institute for Replication
1/ Can AI help researchers check whether published social science results actually reproduce? In our new PNAS paper, we tested this directly in the AI Replication Games: 288 researchers, 103 teams, and real replication packages from quantitative social science.
💫 On June 2-3, we'll be organizing the inaugural Linnaeus University Summit in Växjö! We have an amazing program, including a keynote speech by Nico Voigtländer (UCLA)! See full program below 👇
💫 On June 2-3, we'll be organizing the inaugural Linnaeus University Summit in Växjö! We have an amazing program, including a keynote speech by Nico Voigtländer (UCLA)! See full program below 👇
Large Language Models (LLMs) such as ChatGPT are transforming how scientists conduct and validate research, offering promise as tools to improve sc...
doi.org
AI-assisted teams outperform AI-led teams but not human-only teams in assessing research reproducibility in quantitative social science | PNAS
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1/ Can AI help researchers check whether published social science results actually reproduce? In our new PNAS paper, we tested this directly in the AI Replication Games: 288 researchers, 103 teams, and real replication packages from quantitative social science.
Institute for Replication
Department of Economics and Statistics, Linnaeus University
Department of Economics and Statistics, Linnaeus University
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Institute for Replication