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Andrey Lovakov

@lovakov.bsky.social
128 followers 251 following 64 posts

Researcher at German Centre for Higher Education Research and Science Studies (DZHW). Quantitative science studies

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Andrey Lovakov @lovakov.bsky.social · 22/09/2026
Thanks to everyone who stopped by my poster to discuss the work. The full paper is in the conference proceedings: zenodo.org/records/2265...
zenodo.org
A comparison of Scopus and OpenAlex for measuring international researcher mobility
This study compares Scopus and OpenAlex for measuring international researcher mobility at global, country, corridor, and individual levels. OpenAlex detects approximately 2.5 times more mobile resear...
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Andrey Lovakov @lovakov.bsky.social · 22/09/2026
This matters because most bibliometric mobility research relies on a single database. If two databases assign different mobility histories to the same person, the choice of database could substantially change a study's results.
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Andrey Lovakov @lovakov.bsky.social · 22/09/2026
The two databases also agree on the exact mobility event only about half the time, even for researchers present in both. So the disagreement is not only about who is mobile, but about when and where they supposedly moved.
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Andrey Lovakov @lovakov.bsky.social · 22/09/2026
OpenAlex detects around 2.5 times more mobile researchers than Scopus. And of the 5.9 million authors matched across both databases, nearly half of those classified as mobile appear in only one database.
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Andrey Lovakov @lovakov.bsky.social · 22/09/2026
Last week I presented at the STI-ENID 2026 in Antwerp on comparing Scopus and OpenAlex for measuring international researcher mobility. The main finding: the choice of database changes not just how much mobility you measure, but who counts as mobile.
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Kompetenznetzwerk Bibliometrie/Geschäftsstelle @bibliometrie-info.bsky.social · 31/08/2026
An analysis by Najko Jahn on the coverage of affiliation data from #OpenAlex in November 2025 showed an unexpected decline. Now, #KB's Paul Donner and Marion Schmidt wanted to see if the problems were solved (spoiler: mostly). Our analysis can be read on open-bibliometrics: tinyurl.com/mrxxnsyw.
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Andrey Lovakov @lovakov.bsky.social · 28/08/2026
As a flag lover myself, I created a game for people like me. I called it "Fun With Flags" (Sheldon Cooper would be proud). The aim is to guess a country's flag using the fewest possible clues. Try and share your feedback: fun-with-flags.lovakov.workers.dev
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Andrey Lovakov @lovakov.bsky.social · 14/08/2026
It seems that the decline in disruption papers and patents reported in the well-known 2023 Nature paper is partly due to artefacts in the dataset and a software bug. www.nature.com/articles/s41...
nature.com
Dataset artefacts can partially drive the measured decline in disruption - Nature
Nature - Dataset artefacts can partially drive the measured decline in disruption
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Andrey Lovakov @lovakov.bsky.social · 12/06/2026
Congratulations! Well done!
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Reposted by Andrey Lovakov
Daniel Gorelick @danielgorelick.bsky.social · 03/06/2026
Paying peer reviewers works. Expanded Fast & Fair experiment @biologyopen.bsky.social: • 5.5 vs 37.7 working days to decision with reviews • ~3 vs ~9 reviewer invitations per manuscript • no reduction in editor-assessed review quality • similar acceptance rates www.biorxiv.org/content/10.6...
Scatter plot showing that Fast & Fair peer review reached first decision with reviews much faster than conventional peer review: mean 5.5 versus 37.7 working days. Most Fast & Fair manuscripts met the 7-working-day target, while conventional manuscripts were slower and more variable, up to 116 working days.
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Andrey Lovakov @lovakov.bsky.social · 07/05/2026
The main takeaway: coverage and attribution accuracy are not the same thing. OpenAlex appears suitable for many comparative analyses, but caution is still needed where precise institutional publication counts matter. Fulltext: arxiv.org/abs/2605.01337
arxiv.org
Comparison of OpenAlex and Scopus coverage of German institutions' publications in top-tier journals
OpenAlex has recently emerged as a leading alternative to proprietary bibliometric sources. However, concerns remain regarding the quality of its metadata, especially the institutional profiles which ...
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Andrey Lovakov @lovakov.bsky.social · 07/05/2026
- Discrepancies were especially relevant for recent years, complex institutional structures (hospitals, joint research centers), and very large author lists.
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Andrey Lovakov @lovakov.bsky.social · 07/05/2026
- Despite differences in absolute numbers, correlations between institutions were very high. Institutional rankings by publication output remain relatively stable across the two databases.
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Andrey Lovakov @lovakov.bsky.social · 07/05/2026
- OpenAlex generally indexes more publications at the journal level than Scopus, confirming its broader overall coverage. - At the institutional level, however, counts were consistently lower - affiliations are sometimes missing or not correctly linked to institutions.
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Andrey Lovakov @lovakov.bsky.social · 07/05/2026
In a recent preprint, we compared publication counts for German research institutions in OpenAlex and Scopus using publications from top-tier journals. A few findings:
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Andrey Lovakov @lovakov.bsky.social · 07/05/2026
OpenAlex is increasingly used as an open alternative to proprietary bibliometric databases, but an important question remains: how reliable is its institutional affiliation data?
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Max Planck Institute for Demographic Research (MPIDR) @mpidr.bsky.social · 05/05/2026
🚨Job Alert🚨 We are seeking to appoint 𝘀𝗲𝘃𝗲𝗿𝗮𝗹 𝗳𝘂𝗹𝗹-𝘁𝗶𝗺𝗲 𝗽𝗼𝘀𝘁-𝗱𝗼𝗰𝘁𝗼𝗿𝗮𝗹 𝗿𝗲𝘀𝗲𝗮𝗿𝗰𝗵𝗲𝗿𝘀 to join the EduTrack project consortium. 📅Application Deadline: August 15, 2026 www.demogr.mpg.de/en/career_6122/jo… #Postdoc #Education #Demography
Job posting for postdoctoral researchers at EduTrack at the Max Planck Institute for Demographic Research.
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Andrey Lovakov @lovakov.bsky.social · 04/05/2026
Such global surveys make visible the conditions under which research is actually done. Recognising this variability is an important step toward a more honest picture of global science. doi.org/10.12688/f10...
doi.org
F1000Research Article: Contemporary global research cultures: results from a global survey about research conditions.
Read the latest article version by Andrey Lovakov, Clemens Blümel, Stephan Stahlschmidt, at F1000Research.
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Andrey Lovakov @lovakov.bsky.social · 04/05/2026
A few more findings: - Differences in perceived academic freedom across political regimes were smaller than expected. - The international peer community matters most to researchers in closed autocracies. - Global North researchers more often report work coming at the expense of private life.
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Andrey Lovakov @lovakov.bsky.social · 04/05/2026
The headline finding is the sheer scale of variability and inequality across global research cultures. Researchers in high-income countries spend ~38% of their time on research and 19% on teaching. In low- and lower-middle-income countries, those proportions are roughly reversed.
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Andrey Lovakov @lovakov.bsky.social · 04/05/2026
Partnering with RG mattered. Their community is large, global, and open in a way bibliometric databases are not: researchers join regardless of language, career stage, or institutional prestige. We heard from 5,000+ researchers, then linked responses to country-level data on income and regime.
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Andrey Lovakov @lovakov.bsky.social · 04/05/2026
This is the backdrop for a paper we have just published. Together with ResearchGate, we ran the State of the Research Community survey to examine what research conditions actually look like, from the inside, across the world.
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Andrey Lovakov @lovakov.bsky.social · 04/05/2026
These disparities are not just a matter of fairness. They shape what science as a whole ends up knowing. A researcher who spends two thirds of the week teaching, with limited funding and unreliable equipment, cannot pursue the same questions as a colleague with a protected budget and a full lab.
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Andrey Lovakov @lovakov.bsky.social · 04/05/2026
Global science is often described as if it were a single system. In reality, the conditions under which researchers work differ enormously from one country to another: funding, infrastructure, time for research, job security, academic freedom. 🧵
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Andrey Lovakov @lovakov.bsky.social · 05/04/2026
Short descriptions of the project can also be found in Science, the New York Times and Phys.org. Science: www.science.org/content/arti... NYT: www.nytimes.com/2026/04/01/s... PHYS: phys.org/news/2026-03...
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Andrey Lovakov @lovakov.bsky.social · 05/04/2026
My role in this was small. I was one of the reanalysts who independently reanalysed the original data. But that's how projects of this scale work. They only become possible because many people each do their part.
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Andrey Lovakov @lovakov.bsky.social · 05/04/2026
The specific analytical path matters a lot, even when the overall finding survives. The common single-path approach in social and behavioural research should not simply be assumed to be robust to alternative analyses. www.nature.com/articles/s41...
nature.com
Investigating the analytical robustness of the social and behavioural sciences - Nature
When 100 social and behavioural science claims were examined, 34% of reanalyses closely matched the original results, with 74% reaching the same conclusion, revealing limited robustness of single...
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Andrey Lovakov @lovakov.bsky.social · 05/04/2026
Roughly half of the studies reproduced. In our robustness study, we looked at 100 studies between 2009 and 2018. Each was reanalysed independently by five different analysts. Only 34% of those reanalyses arrived at the same result as the original. But 74% still reached the same broad conclusion.
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Andrey Lovakov @lovakov.bsky.social · 05/04/2026
A new effort on reproducibility just published in Nature. I'm proud to be one of 400+ co-authors who contributed. www.nature.com/collections/... A large group of researchers set out to replicate, test for robustness, and assess reproducibility of findings across the social and behavioural sci.
nature.com
Reliable research in the social and behavioural and sciences
Sweeping new investigations probe the replication, robustness and reproducibility of results across the behavioural and social sciences.
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Andrey Lovakov @lovakov.bsky.social · 25/02/2026
"the government has been pursuing a plan to develop 400 world-class scientific journals as affordable alternatives to ones based in Western countries; by 2023 the country had about 178 English-language open-access journals, nearly half of which charged no APC" www.science.org/content/arti...
science.org
Major Chinese funder to stop paying fees for 30 pricey open-access journals
Move comes amid effort to grow the country’s own journals
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Reposted by Andrey Lovakov
Klaus Pforr @klauspforr.eurosky.social · 12/02/2026
For a change, something we made ourselves: Together with my colleagues Tobias Roth, Andreas Horr, and @nataliebackes.bsky.social, we examined ethnic rent penalties. Do migrants pay higher rents for comparable housing than natives with similar characteristics? direct.mit.edu/euso/article...
direct.mit.edu
Migrant rent penalties in the German housing market
Abstract. We investigate whether migrants pay higher rents for comparable housing than natives with similar characteristics using nationally representative data from the 2018 German Microcensus. The d...
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Kompetenznetzwerk Bibliometrie/Geschäftsstelle @bibliometrie-info.bsky.social · 12/02/2026
Last year, the KB presented the initial OPENBIB data release, which contains selected and curated metadata from OpenAlex. See this new blog post tinyurl.com/58zmb79z for an updated data release based on the OAL snapshot from July 25. This data release also features a KB author disambiguation system.
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Andrey Lovakov @lovakov.bsky.social · 10/02/2026
US policymakers & scientists show significantly lower support for proposals with China-based vs. Germany-based collaborators (US policymakers: 68% support for Germany-collaboration vs. 28% for identical China-collaboration proposals, US scientists: 48% vs. 30%) www.nber.org/papers/w34789
nber.org
Geopolitics in the Evaluation of International Scientific Collaboration
Founded in 1920, the NBER is a private, non-profit, non-partisan organization dedicated to conducting economic research and to disseminating research findings among academics, public policy makers, an...
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Andrey Lovakov @lovakov.bsky.social · 04/02/2026
This is a new preprint on the impact of the COVID-19 pandemic on international researcher mobility. The analysis estimates approximately 14,700 fewer international researcher movements between 2020 and 2022 than expected, corresponding to a global loss of about 3.7%. osf.io/preprints/so...
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Reposted by Andrey Lovakov
John Holbein @johnholbein1.bsky.social · 28/01/2026
If someone paid you $4.75 every night you slept 7+ hours, would you sleep more? And--more importantly--would that increase in sleep change your behavior in other meaningful ways? This new paper ran an experiment to find out.
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Andrey Lovakov @lovakov.bsky.social · 23/01/2026
"This paper introduces a document type classifier with the purpose to optimise the distinction between research and non-research journal publications in OpenAlex" link.springer.com/article/10.1...
link.springer.com
Presenting a classifier to improve the identification of research journal publications in OpenAlex - Scientometrics
This paper introduces a document type classifier with the purpose to optimise the distinction between research and non-research journal publications in OpenAlex. Based on open metadata, the classifier...
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Reposted by Andrey Lovakov
Dimity Stephen @dimitystephen.bsky.social · 16/01/2026
We're looking for a post-doc to join our international, multidisciplinary project looking at how evaluation systems influence researchers' questionable practices. A great chance to get involved with a collaborative team doing exciting work on research integrity. Get in touch if you're interested!
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Andrey Lovakov @lovakov.bsky.social · 15/01/2026
"...adoption of AI in science presents what seems to be a paradox: an expansion of individual scientists’ impact but a contraction in collective science’s reach, as AI-augmented work moves collectively towards areas richest in data" www.nature.com/articles/s41...
nature.com
Client Challenge
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Andrey Lovakov @lovakov.bsky.social · 08/01/2026
This looks like a great opportunity! The University of Vienna invites applications for at least 40 fully funded, 4-year doctoral positions in the social sciences, humanities and cultural studies. careers.univie.ac.at/en/praedoc/p...
careers.univie.ac.at
Doctoral Recruitment Call 2026 — Social Sciences, Humanities & Cultural Studies
The University of Vienna invites applications for at least 40 fully funded, 4-year doctoral positions in the social sciences, humanities and cultural studies.
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Julia M. Rohrer @dingdingpeng.the100.ci · 08/01/2026
Explainers & tutorials are a great way to criticize current practices with a positive twist. Tailoring them to a specific substantive (!) subfield can greatly increase uptake. Forget about novelty; if some statistican said sth in the 70s but no one was around to hear it, say it again.>
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Maia Chankseliani @mchankseliani.bsky.social · 24/12/2025
Health professional mobility debates still focus on numbers. Who leaves. Who returns. How to offset shortages. This paper shows something else: international education reshapes how health professionals judge responsibility and act within constrained systems. www.tandfonline.com/doi/full/10....
tandfonline.com
Internationally educated health professionals and health-system change: A global qualitative study
This article examines how internationally educated health professionals contribute to health system change on return to their countries of origin. Rather than treating return as reintegration or sk...
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Andrey Lovakov @lovakov.bsky.social · 27/12/2025
Scientific excellence is clustering in a few ‘superstar’ cities. New York, Boston, London and San Francisco now host 12% of the world's top scientists. The Global South remains largely absent, with the notable exception of Beijing's dramatic rise rgs-ibg.onlinelibrary.wiley.com/doi/10.1111/...
rgs-ibg.onlinelibrary.wiley.com
Transactions of the Institute of British Geographers | RGS Journal | Wiley Online Library
Scientific excellence is clustering ever more tightly in a few ‘superstar’ cities. Four—New York, Boston, London and the San Francisco Bay Area—now host 12% of the world's top scientists. In contrast...
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Reposted by Andrey Lovakov
Cédric Scherer @cedricscherer.com · 24/12/2025
🎄 Hope you’ve got all your presents ready 💝 Google search interest shows a stable pattern: 🎅 “Christmas gift wife” peaks just before Christmas Eve 🎅 “Christmas gift husband” peaks much earlier #MerryChristmas to all of you! 🎁 📈 Google Trends (Nov 18–Dec 24, 2020–2024) #dataviz #ggplot2
Line chart of Google search interest for “Christmas gift wife” and “Christmas gift husband” from November 18 to December 24. Bold lines show the average pattern across 2020–2024, while lighter shaded lines represent individual years. Shaded areas highlight which term has higher search interest at each point in time. The chart shows that searches for gifts for wives peak later in December than searches for gifts for husbands.
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František Bartoš @fbartos.bsky.social · 23/12/2025
The Robust Bayesian Meta-Analysis package got updated with additional vignettes explaining how to perform Bayesian model-averaged publication bias-adjusted - multilevel meta-analysis (cran.r-project.org/web/packages...) - multilevel meta-regression (cran.r-project.org/web/packages...)
cran.r-project.org
Multilevel Robust Bayesian Meta-Analysis
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Aliakbar Akbaritabar @akbaritabar.bsky.social · 08/12/2025
Delighted to share this very important article with sobering results relevant for all migration researchers worldwide. Lead by @carrasco-jig.bsky.social, together with @mariegodin.bsky.social, @cvar-sil.bsky.social and yours truly. Open Access here: doi.org/10.1057/s415...
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Andrey Lovakov @lovakov.bsky.social · 16/12/2025
Only 40 % of the publications identified as top 3 in self-evaluations also rank among the top 3 by citation performance (based on a survey of 2,331 researchers). www.sciencedirect.com/science/arti...
sciencedirect.com
Assessing scientific output through self-evaluation: Evidence from four social science fields
We asked academics from the economics, political science, psychology, and sociology departments of the top 500 universities to state their top 3 publi…
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Andrey Lovakov @lovakov.bsky.social · 16/12/2025
China's unilateral visa-free policies have significantly increased the number of co-authored publications between China and other countries. This effect is achieved by enhancing transportation accessibility and mobility, which facilitates cross-border research collaboration arxiv.org/pdf/2512.12189
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Najko Jahn @najko.bsky.social · 16/12/2025
There seems to be a decrease in the coverage of affiliation metadata in #OpenAlex, particularly with regard to journal articles published by Elsevier since 2024. Only around 6% of Elsevier articles published in 2025 have affiliation metadata. subugoe.github.io/scholcomm_an...
subugoe.github.io
Decreasing affiliation metadata coverage in OpenAlex – Scholarly Communication Analytics
This blog post examines the decrease in affiliation metadata coverage in OpenAlex. An analysis of over 13 million articles published by major commercial publishers between 2018 and 2025 suggests that ...
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Andrey Lovakov @lovakov.bsky.social · 14/11/2025
Character overlap between Nalimov's Naukometriya book chapters and Mulchenko’s Ph.D. dissertation chapters
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Andrey Lovakov @lovakov.bsky.social · 14/11/2025
This article revisits the early history of Soviet scientometrics, examining the role of Zinaida Mulchenko in writing Naukometriya... Mulchenko’s diminished positionality as the co-author of the book can be understood through the lens of the Matilda Effect direct.mit.edu/qss/article/...
direct.mit.edu
The Matilda Effect in Soviet scientometrics? Nalimov, Mulchenko, and the origins of Naukometriya
Abstract. This article revisits the early history of Soviet scientometrics, examining the role of Zinaida Mulchenko in writing Naukometriya – the foundational book in this field. While Vasily V. Nalim...
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