Jan Marcus
@janmarcus.de
Professor for Applied Statistics, Freie Universität Berlin; education and health economist; table tennis player
http://janmarcus.de
http://janmarcus.de
Pinned
Jan Marcus
@janmarcus.de
· Nov 29
Replication code availability over time and across fields: Evidence from the German Socio‐Economic Panel
Providing replication code is an inexpensive way to facilitate reproducibility. However, little is known about the extent of replication code provision. Therefore, we examine the availability of repl....
doi.org
🧵 Excited to share: "Replication Code Availability over Time and Across Fields", was just accepted by #EconomicInquiry! 🚀 Here's what @lukasfink.bsky.social and I uncovered about replication code availability for publications based on the German Socio-Economic Panel #SOEP 📈📉
doi.org/10.1111/ecin...
doi.org/10.1111/ecin...
Reposted by Jan Marcus
Reposted by Jan Marcus
🗓️ Thursday, January 15:
We are very happy to have Teresa Freitas Monteiro at the Research Seminar in Economics at @freieuniversitaet.bsky.social. She will present her work on „Harsh Rhetoric and Cultural Identity: Backlash Effects of Denmark‘s Ghetto List“
#EconFUBerlin #RseFUBerlin
We are very happy to have Teresa Freitas Monteiro at the Research Seminar in Economics at @freieuniversitaet.bsky.social. She will present her work on „Harsh Rhetoric and Cultural Identity: Backlash Effects of Denmark‘s Ghetto List“
#EconFUBerlin #RseFUBerlin
January 12, 2026 at 4:14 PM
🗓️ Thursday, January 15:
We are very happy to have Teresa Freitas Monteiro at the Research Seminar in Economics at @freieuniversitaet.bsky.social. She will present her work on „Harsh Rhetoric and Cultural Identity: Backlash Effects of Denmark‘s Ghetto List“
#EconFUBerlin #RseFUBerlin
We are very happy to have Teresa Freitas Monteiro at the Research Seminar in Economics at @freieuniversitaet.bsky.social. She will present her work on „Harsh Rhetoric and Cultural Identity: Backlash Effects of Denmark‘s Ghetto List“
#EconFUBerlin #RseFUBerlin
Reposted by Jan Marcus
Since Jan 1 2025, which feels like four trillion years ago, research has been shared on here 5 million whole-ass times. Bluesky recently passed 2 billion posts IN TOTAL.
So 0.25% of the entire site's traffic was citations to research.
That is actually massively high. Is it? Yes. Here's why.
So 0.25% of the entire site's traffic was citations to research.
That is actually massively high. Is it? Yes. Here's why.
January 8, 2026 at 1:08 PM
Since Jan 1 2025, which feels like four trillion years ago, research has been shared on here 5 million whole-ass times. Bluesky recently passed 2 billion posts IN TOTAL.
So 0.25% of the entire site's traffic was citations to research.
That is actually massively high. Is it? Yes. Here's why.
So 0.25% of the entire site's traffic was citations to research.
That is actually massively high. Is it? Yes. Here's why.
Reposted by Jan Marcus
Inaugural Workshop of the Standing Committee for Political Economy of the German Economic Association (Verein für Socialpolitik e.V.), @vfsecon.bsky.social
Call for Papers below! Maik T. Schneider, @steinhardt.bsky.social @theocharisgr.bsky.social
and I hope to see you in Berlin, March 26-27!
Call for Papers below! Maik T. Schneider, @steinhardt.bsky.social @theocharisgr.bsky.social
and I hope to see you in Berlin, March 26-27!
January 8, 2026 at 7:22 PM
Inaugural Workshop of the Standing Committee for Political Economy of the German Economic Association (Verein für Socialpolitik e.V.), @vfsecon.bsky.social
Call for Papers below! Maik T. Schneider, @steinhardt.bsky.social @theocharisgr.bsky.social
and I hope to see you in Berlin, March 26-27!
Call for Papers below! Maik T. Schneider, @steinhardt.bsky.social @theocharisgr.bsky.social
and I hope to see you in Berlin, March 26-27!
Congratulations, Henning! Very well deserved!
December 10, 2025 at 3:01 PM
Congratulations, Henning! Very well deserved!
Reposted by Jan Marcus
Special issue on meta-science in Journal of Economic Psychology! Topics covered among others: expert-informed approaches, normative biases and crowd-science. Submitted papers evaluated & published on rolling basis. @i4replication.bsky.social www.sciencedirect.com/special-issu...
December 4, 2025 at 3:55 PM
Special issue on meta-science in Journal of Economic Psychology! Topics covered among others: expert-informed approaches, normative biases and crowd-science. Submitted papers evaluated & published on rolling basis. @i4replication.bsky.social www.sciencedirect.com/special-issu...
Reposted by Jan Marcus
🚨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...
See more at
i4replication.org/dont-panic-a...
Don’t Panic: A Researcher’s Guide to Replication Packages
Episode 1: A New README Who Needs a README? Imagine coming across a really cool paper in a top journal. The kind of paper you wish you wrote yourself; the…
i4replication.org
December 8, 2025 at 8:14 PM
🚨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...
See more at
i4replication.org/dont-panic-a...
Reposted by Jan Marcus
📣 Announcing the First DoubleML User Survey! 📊
We’re excited to launch the first DoubleML User Survey! We’d love to hear from all prospective, new, or experienced users of DoubleML in Python or R.
🔗Please take part here: forms.gle/HjZsWgrF5UEF...
#EconSky #CausalSky #dataSkyence #Python #R
We’re excited to launch the first DoubleML User Survey! We’d love to hear from all prospective, new, or experienced users of DoubleML in Python or R.
🔗Please take part here: forms.gle/HjZsWgrF5UEF...
#EconSky #CausalSky #dataSkyence #Python #R
December 8, 2025 at 3:02 PM
📣 Announcing the First DoubleML User Survey! 📊
We’re excited to launch the first DoubleML User Survey! We’d love to hear from all prospective, new, or experienced users of DoubleML in Python or R.
🔗Please take part here: forms.gle/HjZsWgrF5UEF...
#EconSky #CausalSky #dataSkyence #Python #R
We’re excited to launch the first DoubleML User Survey! We’d love to hear from all prospective, new, or experienced users of DoubleML in Python or R.
🔗Please take part here: forms.gle/HjZsWgrF5UEF...
#EconSky #CausalSky #dataSkyence #Python #R
Reposted by Jan Marcus
CfP 📢 Join us & our fantastic keynote speaker @rginja.bsky.social for the 15th Dresden Workshop on Labor Economics and Social Policy (May 21-22, 2026). Looking forward! Deadline for submissions: Feb 15, 2026👇
www.ifo.de/veranstaltun... @tudresden.bsky.social @cesifo.org
www.ifo.de/veranstaltun... @tudresden.bsky.social @cesifo.org
15th ifo Dresden Workshop on Labor Economics and Social Policy | ifo Institut
We specifically encourage PhD students and post-doctoral researchers to submit their current research. Each paper will be allocated 45 minutes, to be divided between the presentation, a discussion by an assigned workshop participant and a general discussion.
www.ifo.de
December 1, 2025 at 10:50 AM
CfP 📢 Join us & our fantastic keynote speaker @rginja.bsky.social for the 15th Dresden Workshop on Labor Economics and Social Policy (May 21-22, 2026). Looking forward! Deadline for submissions: Feb 15, 2026👇
www.ifo.de/veranstaltun... @tudresden.bsky.social @cesifo.org
www.ifo.de/veranstaltun... @tudresden.bsky.social @cesifo.org
Reposted by Jan Marcus
Looking forward to hosting @ariannaornaghi.bsky.social from @hertieschool.bsky.social at the Research Seminar in Economics at @freieuniversitaet.bsky.social this week. #EconSky
🗓️ Thursday, December 4:
We are very happy to have Arianna Ornaghi at the Research Seminar in Economics at @freieuniversitaet.bsky.social. She will present her work on „Media Consolidation“
#EconFUBerlin #RseFUBerlin
We are very happy to have Arianna Ornaghi at the Research Seminar in Economics at @freieuniversitaet.bsky.social. She will present her work on „Media Consolidation“
#EconFUBerlin #RseFUBerlin
December 1, 2025 at 12:17 PM
Looking forward to hosting @ariannaornaghi.bsky.social from @hertieschool.bsky.social at the Research Seminar in Economics at @freieuniversitaet.bsky.social this week. #EconSky
Reposted by Jan Marcus
🗓️ Thursday, November 27:
We are very happy to have Efrem Castelnuovo at the Research Seminar in Economics at @freieuniversitaet.bsky.social. He will present his work on „The Inflation-Uncertainty Amplifier“
#EconFUBerlin #RseFUBerlin
We are very happy to have Efrem Castelnuovo at the Research Seminar in Economics at @freieuniversitaet.bsky.social. He will present his work on „The Inflation-Uncertainty Amplifier“
#EconFUBerlin #RseFUBerlin
November 24, 2025 at 10:29 AM
🗓️ Thursday, November 27:
We are very happy to have Efrem Castelnuovo at the Research Seminar in Economics at @freieuniversitaet.bsky.social. He will present his work on „The Inflation-Uncertainty Amplifier“
#EconFUBerlin #RseFUBerlin
We are very happy to have Efrem Castelnuovo at the Research Seminar in Economics at @freieuniversitaet.bsky.social. He will present his work on „The Inflation-Uncertainty Amplifier“
#EconFUBerlin #RseFUBerlin
Reposted by Jan Marcus
www.uni-hamburg.de/stellenangeb... Unser Fachbereich hat eine unbefristete Stelle E13 in der VWL-Lehre zu besetzen. Gerne retweeten und bis 30.11. bewerben.
Ausschreibung
www.uni-hamburg.de
November 21, 2025 at 9:53 AM
www.uni-hamburg.de/stellenangeb... Unser Fachbereich hat eine unbefristete Stelle E13 in der VWL-Lehre zu besetzen. Gerne retweeten und bis 30.11. bewerben.
Reposted by Jan Marcus
Happy to share that our research brief on housing space inequality in Germany will soon be published by the Progressive Politics Research Network!
This work, a collaboration with @sebastiankohl.bsky.social and @simonvoss.bsky.social , digs into who has access to space and how policy can address it.
This work, a collaboration with @sebastiankohl.bsky.social and @simonvoss.bsky.social , digs into who has access to space and how policy can address it.
Next week, with the Progressive Politics Research Network, we are going to publish 8 new research briefs on the politics of housing. While housing has become a huge grievance across Europe, it is often absent from progressive parties‘ agendas. Our group of experts discusses different aspects of this
November 18, 2025 at 12:09 PM
Happy to share that our research brief on housing space inequality in Germany will soon be published by the Progressive Politics Research Network!
This work, a collaboration with @sebastiankohl.bsky.social and @simonvoss.bsky.social , digs into who has access to space and how policy can address it.
This work, a collaboration with @sebastiankohl.bsky.social and @simonvoss.bsky.social , digs into who has access to space and how policy can address it.
Looking forward to your talk, @gregor-pfeifer.bsky.social !
🗓️ Thursday, November 20:
We are very happy to welcome Gregor Pfeifer at the Research Seminar in Economics at @freieuniversitaet.bsky.social . He will present his work on „Abortion Access and Long-Run Household Outcomes: Evidence from Population-Wide Administrative Data“
#EconFUBerlin #RseFUBerlin
We are very happy to welcome Gregor Pfeifer at the Research Seminar in Economics at @freieuniversitaet.bsky.social . He will present his work on „Abortion Access and Long-Run Household Outcomes: Evidence from Population-Wide Administrative Data“
#EconFUBerlin #RseFUBerlin
November 17, 2025 at 11:18 AM
Looking forward to your talk, @gregor-pfeifer.bsky.social !
Reposted by Jan Marcus
If Difference-in-Differences has been on your “to-learn” list, now is your chance to dig in. Our #GESISworkshop with @janmarcus.de takes you from DiD basics to advanced topics like triple differences, synthetic control, and modern estimators — all in R and Stata.
➡️ t1p.de/dif_in_dif_26
➡️ t1p.de/dif_in_dif_26
November 10, 2025 at 10:16 AM
If Difference-in-Differences has been on your “to-learn” list, now is your chance to dig in. Our #GESISworkshop with @janmarcus.de takes you from DiD basics to advanced topics like triple differences, synthetic control, and modern estimators — all in R and Stata.
➡️ t1p.de/dif_in_dif_26
➡️ t1p.de/dif_in_dif_26
Looking forward to teaching this training course on diff-in-diff.
Registration still possible!
Registration still possible!
*Foundations and Advances in Difference-in-Differences* by @janmarcus.de.
🗓️ 03 – 04 February 2026
🏢 Online
🌐 t1p.de/dif_in_dif_26
🗓️ 03 – 04 February 2026
🏢 Online
🌐 t1p.de/dif_in_dif_26
November 8, 2025 at 6:18 AM
Looking forward to teaching this training course on diff-in-diff.
Registration still possible!
Registration still possible!
Reposted by Jan Marcus
🗓️ Thursday, November 6:
We are very happy to have Matthias Doepke at the Research Seminar in Economics at @freieuniversitaet.bsky.social . He will present his work on „Preparing Kids for Capitalism: The Effect of German Reunification“
#EconFUBerlin #RseFUBerlin
We are very happy to have Matthias Doepke at the Research Seminar in Economics at @freieuniversitaet.bsky.social . He will present his work on „Preparing Kids for Capitalism: The Effect of German Reunification“
#EconFUBerlin #RseFUBerlin
November 5, 2025 at 11:55 AM
🗓️ Thursday, November 6:
We are very happy to have Matthias Doepke at the Research Seminar in Economics at @freieuniversitaet.bsky.social . He will present his work on „Preparing Kids for Capitalism: The Effect of German Reunification“
#EconFUBerlin #RseFUBerlin
We are very happy to have Matthias Doepke at the Research Seminar in Economics at @freieuniversitaet.bsky.social . He will present his work on „Preparing Kids for Capitalism: The Effect of German Reunification“
#EconFUBerlin #RseFUBerlin
Reposted by Jan Marcus
🗓️ Thursday, October 30:
We are very happy to welcome Vasyl Golosnoy at the Research Seminar in Economics at @freieuniversitaet.bsky.social . He will present his work on „Combining portfolio rules to improve prediction of global minimum variance portfolio“
#EconFUBerlin #RseFUBerlin
We are very happy to welcome Vasyl Golosnoy at the Research Seminar in Economics at @freieuniversitaet.bsky.social . He will present his work on „Combining portfolio rules to improve prediction of global minimum variance portfolio“
#EconFUBerlin #RseFUBerlin
October 29, 2025 at 8:54 AM
🗓️ Thursday, October 30:
We are very happy to welcome Vasyl Golosnoy at the Research Seminar in Economics at @freieuniversitaet.bsky.social . He will present his work on „Combining portfolio rules to improve prediction of global minimum variance portfolio“
#EconFUBerlin #RseFUBerlin
We are very happy to welcome Vasyl Golosnoy at the Research Seminar in Economics at @freieuniversitaet.bsky.social . He will present his work on „Combining portfolio rules to improve prediction of global minimum variance portfolio“
#EconFUBerlin #RseFUBerlin
Reposted by Jan Marcus
📢 Call for Applications: 2026 PhD Program
Opportunities across four different PhD tracks:
🔹 PhD in Economics
🔹 PhD in Accounting
🔹 PhD in Finance
🔹 PhD in Management
❗ Application Deadline: January 15, 2026
More information👇
berlinschoolofeconomics.de/phd-program/...
#phdcallforapplications
Opportunities across four different PhD tracks:
🔹 PhD in Economics
🔹 PhD in Accounting
🔹 PhD in Finance
🔹 PhD in Management
❗ Application Deadline: January 15, 2026
More information👇
berlinschoolofeconomics.de/phd-program/...
#phdcallforapplications
October 28, 2025 at 4:08 PM
📢 Call for Applications: 2026 PhD Program
Opportunities across four different PhD tracks:
🔹 PhD in Economics
🔹 PhD in Accounting
🔹 PhD in Finance
🔹 PhD in Management
❗ Application Deadline: January 15, 2026
More information👇
berlinschoolofeconomics.de/phd-program/...
#phdcallforapplications
Opportunities across four different PhD tracks:
🔹 PhD in Economics
🔹 PhD in Accounting
🔹 PhD in Finance
🔹 PhD in Management
❗ Application Deadline: January 15, 2026
More information👇
berlinschoolofeconomics.de/phd-program/...
#phdcallforapplications
Reposted by Jan Marcus
Our Leibniz Open Science Day, 'Better Science for Better Policies', is taking place tomorrow in Berlin, with an exciting programme of interesting papers - check them out. The meta-scientific community is really taking off! www.zbw.eu/de/ueber-uns...
October 26, 2025 at 11:40 AM
Our Leibniz Open Science Day, 'Better Science for Better Policies', is taking place tomorrow in Berlin, with an exciting programme of interesting papers - check them out. The meta-scientific community is really taking off! www.zbw.eu/de/ueber-uns...
And to our dean, Jochen Bigus, and Peter Mohr, the spokesperson of the economics department!
October 24, 2025 at 7:15 AM
And to our dean, Jochen Bigus, and Peter Mohr, the spokesperson of the economics department!
Thanks also to @shushmargaryan.bsky.social from Potsdam University for an excellent job as discussant!
October 24, 2025 at 7:15 AM
Thanks also to @shushmargaryan.bsky.social from Potsdam University for an excellent job as discussant!
🎉 Yesterday, we had the pleasure of welcoming our new tenure-track Assistant Professor @philippbach.bsky.social at @freieuniversitaet.bsky.social
In his talk, Philipp gave an inspiring overview of his work in the field of #CausalMachineLearning: method development, software tools, and applications.
In his talk, Philipp gave an inspiring overview of his work in the field of #CausalMachineLearning: method development, software tools, and applications.
October 24, 2025 at 7:13 AM
🎉 Yesterday, we had the pleasure of welcoming our new tenure-track Assistant Professor @philippbach.bsky.social at @freieuniversitaet.bsky.social
In his talk, Philipp gave an inspiring overview of his work in the field of #CausalMachineLearning: method development, software tools, and applications.
In his talk, Philipp gave an inspiring overview of his work in the field of #CausalMachineLearning: method development, software tools, and applications.
You want to see @philippbach.bsky.social and @shushmargaryan.bsky.social in one session?
Come to the welcome event for our new colleague Philipp Bach at @fu-berlin-vwl.bsky.social on Thursday!
Come to the welcome event for our new colleague Philipp Bach at @fu-berlin-vwl.bsky.social on Thursday!
🗓️ Thursday, October 23:
We are very happy to have Philipp Bach and Shushanik Margaryan at the Reasearch Seminar in Economics. They will present their work on „Causal Machine Learning - New Estimation Approaches for Empirical Economics“ and „An Applied Micro Perspective on Causal Machine Learning“
We are very happy to have Philipp Bach and Shushanik Margaryan at the Reasearch Seminar in Economics. They will present their work on „Causal Machine Learning - New Estimation Approaches for Empirical Economics“ and „An Applied Micro Perspective on Causal Machine Learning“
October 22, 2025 at 10:47 AM
You want to see @philippbach.bsky.social and @shushmargaryan.bsky.social in one session?
Come to the welcome event for our new colleague Philipp Bach at @fu-berlin-vwl.bsky.social on Thursday!
Come to the welcome event for our new colleague Philipp Bach at @fu-berlin-vwl.bsky.social on Thursday!