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Open Access

Expression of Concern

Expression of Concern: Economic policy uncertainty, intra-industry trade, and China’s mechanical and electrical product exports

  • The PLOS One Editors

After this article [1,2] was published, the PLOS One Editors identified concerns about the article’s peer review and compliance with the PLOS Authorship policy. We regret that the issues were not addressed prior to the article’s publication.

In light of the cumulative issues, the PLOS One Editors issue this Expression of Concern. Readers are advised to interpret the article [1] with caution.

References

  1. 1. Liu D, Zhu X, Yu H. Economic policy uncertainty, intra-industry trade, and China’s mechanical and electrical product exports. PLoS One. 2024;19(1):e0290866. pmid:38236940
  2. 2. Liu D, Zhu X, Yu H. Correction: Economic policy uncertainty, intra-industry trade, and China’s mechanical and electrical product exports. PLoS One. 2024;19(6):e0305104. pmid:38833440

Citation: The PLOS One Editors (2026) Expression of Concern: Economic policy uncertainty, intra-industry trade, and China’s mechanical and electrical product exports. PLoS One 21(5): e0349909. https://doi.org/10.1371/journal.pone.0349909

Published: May 28, 2026

Copyright: © 2026 The PLOS One Editors. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.