Jan Marcus

@janmarcus.de

Professor for Applied Statistics, Freie Universität Berlin; co-editor @jcre.bsky.social; education and health economist; table tennis player http://janmarcus.de

🚨🚨🚨 Call for submissions for the first special issue of @jcre.bsky.social Anyone can submit replications on the topic of payments for ecosystem services. Details below 👇

JCRE@jcre.bsky.social · 2d ago

📢 New special issue in @jcre.bsky.social : Payments for Ecosystem Services (PES) — Replications. We're seeking researchers to replicate high-quality PES papers. Fast-track review. Replication packages provided. Submission Deadline: Jan 31, 2027. Details 👉 jcr-econ.org

This year I joined the editorial team of @jcre.bsky.social, the Journal of Comments and Replications in Economics (JCRE) as a Co-Editor. I'm especially happy that the first submission I handled from start to finish has now been published—together with a reply from the original authors.

JCRE@jcre.bsky.social · 2w ago

New in JCRE: Does Mask Usage Correlate with Excess Mortality? Findings from 24 European Countries. A Comment on Tausk and Spira (BMC Public Health, 2025) by Victor Rangel.

Looking forward to having @jrgptrs.bsky.social in our research seminar this Thursday! Feel free to join. 12.15 Boltzmannstraße 20.

FU Berlin Economics @fu-berlin-vwl.bsky.social · last mo.

🗓️ Thursday, July 2: We are very happy to welcome Jörg Ankel-Peters at the Research Seminar in Economics at @freieuniversitaet.bsky.social. He will present his work on „Robustness in Empirical Economics: A Meta-Reproduction of 66 Articles from Leading Journals“. #EconFUBerlin #RseFUBerlin #EconSky

Es hat mir viel Spaß gemacht meine Erfahrungen mit der Co-Organisation der Berlin Replication Games 2025 im Podcast von @zbw-leibniz.bsky.social mit #DoreenSiegfried zu teilen. Replication Games zeigen, wie wertvoll gemeinsames Arbeiten an Replikationen und Reproduktionen sein kann!

ZBW – Leibniz Informationszentrum Wirtschaft@zbw-leibniz.bsky.social · 2mo ago

In seinem persönlichen Fazit zu den Replication Games 2025 an der FU Berlin verrät uns @janmarcus.de in unserer neuen Podcastfolge, wie Wirtschaftsforschende aller Karrierestufen spielerisch an Sinn und Herausforderung von Reproduktion und Replikation herangeführt werden: zbw.to/FWIYg #OpenScience

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.

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With the start of the new semester, the Research Seminar in Economics returns!🎉 Every Thursday, guest speakers will share their latest research on various topics. Pieter Bakx will open the seminar by presenting his research on „Physician prescribing style and the economic cost of health shocks“

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BeNA is an invaluable network providing free events to the applied micro community, thanks to our sponsors at the Berlin econ research institutes. Super happy to help shape its future as a new board member in the coming years! Huge thanks to the outgoing board 🙏

BeNA@berlinlabor.bsky.social · 4mo ago

Welcome to the new BeNA board! 👋 After two years of dedicated service, the previous board— Aiko Schmeißer ( aikoschmeisser.com), Annica Gehlen (amageh.bsky.social), Felix Degenhardt, and Max Deter—hands over their responsibilities.