@misc{lim2026_ssrn_6616319,
  author = {Lim, Boon Chuan},
  title = {Adverse Selection and Cross-Venue Spread Widening Under a Trade-Policy Shock: Evidence from Nanosecond-Resolution Order Book Data Around the April 2025 Liberation Day Tariff Announcement},
  year = {2026},
  doi = {10.2139/ssrn.6616319},
  url = {https://doi.org/10.2139/ssrn.6616319},
  note = {Working paper / preprint}
}