Faculty mobility reallocates research capacity within persistent institutional hierarchies

Erjia Yan; Chaoqun Ni

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arXiv · 2605.06935

Faculty mobility reallocates research capacity within persistent institutional hierarchies

Erjia Yan·Chaoqun Ni

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Abstract

Faculty mobility is often understood as a mechanism through which universities redistribute scientific talent and potentially improve research performance. Yet the system-level structure of mobility and its association with individual research trajectories have rarely been examined together. We link longitudinal faculty rosters from U.S. research universities to OpenAlex publication records and study 11,535 tenure-system faculty members who changed institutions between 2011 and 2020, with a comparison group of more than 200,000 non-moving faculty members. A directed network of faculty moves reveals a strongly hierarchical market: high-prestige institutions are net importers, lower-prestige institutions are net exporters, and the mobility hierarchy closely parallels the hierarchy observed in faculty hiring. However, event-study models that account for pre-move trajectories show little evidence of sustained post-move gains in publication volume, citation impact, or top-cited publication rates, including among upward moves to more prestigious institutions. The most consistent post-move change is collaborative: movers form new coauthor ties. We also observe modest increases in the share of papers with positive CD-index values. These patterns suggest that faculty mobility primarily reallocates existing research capacity within a persistent institutional hierarchy rather than systematically altering individual research trajectories.

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Erjia Yan, Chaoqun Ni. 2026-05-07. Faculty mobility reallocates research capacity within persistent institutional hierarchies. https://arxiv.org/abs/2605.06935

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