Selected Publications

This estimate of how much the global academic community paid in article processing charges over five years garnered media attention. An update to this preprint is underway.

• Haustein, S., Schares, E., Alperin, J. P., Hare, M., Butler, L.-A., Schönfelder, N., . (2024). Estimating global article processing charges paid to six publishers for open access between 2019 and 2023. arXiv. https://arxiv.org/abs/2407.16551.

This article “informed federal policy” and was cited 49 times by the White House OSTP in two reports to US Congress. It also won the ASEE ELD 2024 Best Publication Award.

• Schares, E. (2023). Impact of the 2022 OSTP memo: A bibliometric analysis of U.S. federally funded publications, 2017-2021. Quantitative Science Studies, 4(1): 1-21. https://doi.org/10.1162/qss_a_00237.

This article won the ASEE ELD 2022 Innovation in Access to Engineering Information Award and the RUSA ETS 2022 Best Emerging Technology Application (BETA) Award.

• Schares, E. (2022). Unsub Extender: A Python-based web application for visualizing Unsub data. Quantitative Science Studies, 3(3). https://doi.org/10.1162/qss_a_00200.

Complete Publications

2026

• Aczel, B., Szaszi, B., Clelland, H. T., Kovacs, M., Holzmeister, F., van Ravenzwaaij, D., Schulz-Kümpel, H., Hoffmann, S., Nilsonne, G., Kosa, L., Torma, Z. A., Abdelfatah, Y., Aberson, C. L., Acar, O. A., Acem, E., Adamkovic, M., Adamovich, T., … Schares, E., … Nosek, B. A. (2026). Investigating the analytical robustness of the social and behavioural sciences. Nature, 652(8108), 135–142. https://doi.org/10.1038/s41586-025-09844-9.

2025

• Haustein, S., Schares, E., Alperin, J.P., Camargo, F., Matthias, L., Céspedes, L., Poitras, C., & Strecker, D. (2025, Sept. 11). Shaking up the scholarly publishing market – Why caps on APCs could backfire. LSE Impact Blog. https://blogs.lse.ac.uk/impactofsocialsciences/2025/09/11/shaking-up-the-scholarly-publishing-market-why-caps-on-apcs-could-backfire/.
• Haustein, S., Schares, E., Alperin, J.P., Camargo, F., Matthias, L., Céspedes, L., Poitras, C., & Strecker, D. (2025, Sept. 3). NIH explores capping APCs: Let’s look at the evidence. ScholCommLab blog. https://doi.org/10.59350/scholcommlab.5645.
• Haustein, S., Schares, E., Alperin, J.P., Camargo, F., Matthias, L., Céspedes, L., Poitras, C., & Strecker, D. (2025). APCs of 2,228 journals where NIH-funded authors published in 2025 [dataset]. Harvard Dataverse, v1. https://doi.org/10.7910/DVN/3XDMNF.
• Dixon, P. and Schares, E. (2025). Bayesian and frequentist statistical models to predict publishing output and article processing charge totals. Journal of the Association for Information Science and Technology (JASIST), 1-16. https://doi.org/10.1002/asi.24981.

2024

• Butler, L.-A., Hare, M., Schönfelder, N., Schares, E., Alperin, J. P., Haustein, S. (2024). Annual article processing charges for six large scholarly publishers. 28th International Conference on Science, Technology, and Innovation Indicators (STI 2024). Berlin, Germany.
• Schares, E. (2024, July). Data on datasets: Quantifying US federally funded records in DataCite. Invest in Open Infrastructure. https://investinopen.org/blog/data-on-datasets-quantifying-us-federally-funded-records-in-datacite.
• Haustein, S., Schares, E., Alperin, J. P., Hare, M., Butler, L.-A., Schönfelder, N., . (2024). Estimating global article processing charges paid to six publishers for open access between 2019 and 2023. arXiv. https://arxiv.org/abs/2407.16551.
• Butler, L.-A., Hare, M., Schönfelder, N., Schares, E., Alperin, J. P., Haustein, S. (2024). An open dataset of article processing charges from six large scholarly publishers (2019-2023). arXiv. https://arxiv.org/abs/2406.08356.
  • Covered in Brainard, J. (2024, August 1). Open for business. Science News.
  • Covered in Larousserie, D. (2025, July 7). The world of scientific journals on the verge of suffocation. Le Monde. (Translated from French)
• Butler, L.-A., Hare, M., Schönfelder, N., Schares, E., Alperin, J. P., Haustein, S. (2024). Open dataset of annual Article Processing Charges (APCs) of gold and hybrid journals published by Elsevier, Frontiers, MDPI, PLOS, Springer-Nature and Wiley 2019-2023 [dataset]. Harvard Dataverse, v1. https://doi.org/10.7910/DVN/CR1MMV.
• Schares, E. (2024, June). Inconsistent Hybrid OA Rates When Re-Running the Same Analysis. OpenISU. https://doi.org/10.31274/b8136f97.b270124a.
• Schares, E. (2024, April). Comparing Funder Metadata in OpenAlex and Dimensions. OpenISU. https://doi.org/10.31274/b8136f97.ccc3dae4.

2023

• Schares, E. (2023, December). Rethinking Hybrid Open Access labels for post-embargo articles. OpenISU. https://doi.org/10.31274/b8136f97.45a4f699.
• Schares, E. (2023, October). When is a year complete? OpenISU. https://doi.org/10.31274/b8136f97.64082876.
• Schares, E. and Mierz, S. (2023). Using OpenAlex to analyse cited reference patterns [preprint]. 27th International Conference on Science, Technology, and Innovation Indicators (STI 2023). Leiden, NL. https://dapp.orvium.io/deposits/6441a6ee36d64a64fca6d6db/view
• Schares, E. (2023, July). Benefits of reading open peer reviews. OpenISU. https://doi.org/10.31274/b8136f97.85fb1123.
• Schares, E. (2023). Impact of the 2022 OSTP memo: A bibliometric analysis of U.S. federally funded publications, 2017-2021. Quantitative Science Studies, 4(1): 1-21. https://doi.org/10.1162/qss_a_00237.
  • Cited 49 times by the White House OSTP in two reports to US Congress
  • Winner of the ASEE ELD 2024 Best Publication Award

2022

• Schares, E. (2022, October). Impact of the 2022 OSTP memo: A bibliometric analysis of U.S. federally funded publications, 2017-2021 [preprint]. arXiv, https://arxiv.org/abs/2210.14871.
• Schares, E. (2022). Unsub Extender: A Python-based web application for visualizing Unsub data. Quantitative Science Studies, 3(3). https://doi.org/10.1162/qss_a_00200.
  • Winner of the ASEE ELD 2022 Innovation in Access to Engineering Information Award
  • Winner of the RUSA ETS 2022 Best Emerging Technology Application (BETA) Award
• Harris, J., Piwowar, H., Schares, E., and Pope, B. (2022). Unsub in real life: Using Unsub as part of serials decisions and negotiations. The Serials Librarian. https://doi.org/10.1080/0361526X.2022.2019543.

2021

• Schares, E. (2021, December). An easier way to access the Web of Science API. OpenISU. https://doi.org/10.31274/b8136f97.a592e503.
• Langham-Putrow, A., Li, Y., Nelson, C., Willmott, M., Price, J., and Schares, E. (2021, November). Data sources for analyzing open access offers from publishers. SPARC Data Analysis Working Group, https://sparcopen.org/our-work/negotiation-resources/data-analysis/data-sources-for-analyzing-open-access-offers-from-publishers/.
• Schares, E. (2021, September). Unsub Extender: a Python-based web application for visualizing Unsub data [preprint]. arXiv, https://arxiv.org/abs/2109.00468.

2020

• Hornbuckle, B., Togliatti, K., Cirone, R., and Schares, E. (2020, June). Be a more productive writer with online LaTeX. CSA News, 65(6), 35-38. https://doi.org/10.1002/csan.20142.

pre-2020

• Schares, E. (2019). ILL communication: Analyzing five years of Iowa State University’s print Interlibrary Loan requests. ASEE Annual Conference and Exposition, Tampa, FL. https://dr.lib.iastate.edu/handle/20.500.12876/62335

2017

• Evans, P. and Schares, E. (2017). FLEx – Iowa State University’s mobile technology classroom. ASEE Annual Conference and Exposition, Columbus, OH. https://dr.lib.iastate.edu/handle/20.500.12876/62327

2008

• Mielke, N., Marquart, T., Ning, W., Kessenich, J., Belgal, H., Schares, E., . . . Nevill, L. R. (2008, April 27 - May 1). Bit error rate in NAND flash memories. Paper presented at the Intel Reliability Physics Symposium, 2008. IRPS 2008. IEEE International. http://dx.doi.org/10.1109/RELPHY.2008.4558857

2006

• Stieler, D., Dalal, V. L., Muthukrishnan, K., Noack, M., & Schares, E. (2006). Electron mobility in nanocrystalline silicon devices. Journal of Applied Physics, 100(3), 036106. http://dx.doi.org/10.1063/1.2234545
• Outside Iowa State (2016-2022). April Fools’ Day Joke Newsletter, University Library. http://outsideiowastate.weebly.com/