@inproceedings{wei-etal-2026-causal,
    title = "Causal Abstention for Cost-Aware Language-Agent Collaboration",
    author = "Wei, Lei  and
      Huang, Ruiyang  and
      Kang, Zhaolu  and
      Liu, Qi  and
      Peng, Xiao  and
      Liu, Haoran  and
      Ying, Zonghao  and
      Wang, Haoyu  and
      Shen, Ye  and
      Dong, Xu  and
      Li, Hongyu  and
      Wang, Kesu  and
      Lian, Yukun  and
      Xie, Sicong",
    editor = "Lee, Hung-Yi  and
      Dev, Sunipa  and
      Li, Jessy  and
      Elliott, Desmond",
    booktitle = "Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing",
    month = oct,
    year = "2026",
    address = "Budapest, Hungary",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2026.emnlp-main.2214/",
    pages = "50362--50381",
    ISBN = "979-8-89176-459-0"
}