Research

Publications

2026

A robust association between LLM use and scientific productivity: Assessing stopping-time selectionPreprint
Keigo Kusumegi, Xinyu Yang, Paul Ginsparg, Mathijs de Vaan, Toby Stuart, and Yian Yin
arXiv, 2607.28968, 2026
PDF arXiv Abstract
Non-existent citations reveal widespread LLM hallucinations in science
Zhenyue Zhao, Yihe Wang, Toby Stuart, Mathijs de Vaan, Paul Ginsparg, and Yian Yin
Nature, forthcoming, 2026
PDF arXiv (preprint, earlier title)Abstract
Friends on the other side: Receptiveness to opposing views predicts formation of politically heterogeneous relationships
Brian P. Reschke, Julia A. Minson, Hannah Riley Bowles, Mathijs de Vaan, and Sameer B. Srivastava
Personality and Social Psychology Bulletin, 52(9): 2693–2708, 2026
DOI Preprint Abstract

Scientific production in the era of large language models
Keigo Kusumegi, Xinyu Yang, Paul Ginsparg, Mathijs de Vaan, Toby Stuart, and Yian Yin
Science, 390(6779): 1240–1243, 2025
DOI arXiv Abstract
Referral triads
Mathijs de Vaan and Toby Stuart
Administrative Science Quarterly, 70(1): 157–193, 2025
DOI Abstract
The Association of Opioid Prescriptions to Children after Discharge from Surgery and New Opioid Prescription Fills in Family Members
Erica Langnas, Andrew Lin, Yanting Luo, Rosa Rodriguez-Monguio, Mark Bicket, Sara Cairo, Mathijs de Vaan, and Catherine L. Chen
The Journal of Pediatrics, 2025
DOI Abstract

Hospitalizations reduce health care utilization of household members
Savannah Bergquist and Mathijs de Vaan
Health Services Research, 2022
DOI Abstract
Effect of Social Needs Case Management on Hospital Use Among Adult Medicaid Beneficiaries
Daniel Brown, Elizabeth Hernandez, Sara Levin, Mathijs de Vaan, Mi-Ok Kim, Chris Lynch, Anna Roth, and Amanda Brewster
Annals of Internal Medicine, 2022
DOI Abstract
Gender in the Market for Expertise
Mathijs de Vaan and Toby Stuart
American Sociological Review, 2022
DOI Code & data Abstract

Gender-equal funding rates conceal unequal evaluations
Thijs Bol, Mathijs de Vaan, and Arnout van de Rijt
Research Policy, 2021
DOI Code & data Abstract

The Matthew Effect in Science Funding
Thijs Bol, Mathijs de Vaan, and Arnout van de Rijt
Proceedings of the National Academy of Sciences, 2018
DOI Code & data Abstract

Game Changer: The Topology of Creativity
Mathijs de Vaan, Balazs Vedres, and David Stark
American Journal of Sociology, 2015
DOI Abstract

Evaluating managerial expectationsWorking paper
Nicholas Otis and Mathijs de Vaan
Working paper
DOI SSRN Abstract

Ecological approaches to innovation
Mathijs de Vaan
De Gruyter Handbook of Sociology of Innovation and Entrepreneurship, edited by Patricia H. Thornton and Olav Sorenson, pp. 41–60, 2025
DOI
The formation of economic networks: A proximity approach
Ron Boschma, Pierre-Alexandre Balland, and Mathijs de Vaan
Regional Development and Proximity Relations, edited by André Torre and Frédéric Wallet, Edward Elgar, 2014
DOI