@article{Harren2026Institutional,
  author = {Jan Harren},
  title = {Institutional trading costs, Robinhood activity, and expected returns},
  journal = {Quantitative Finance},
  year = {2026},
  doi = {https://doi.org/10.1080/14697688.2026.2691814},
  url = {https://doi.org/10.1080/14697688.2026.2691814},
  note = {Publication status: accepted / in press (not yet published)}
}

@article{WandWHK2024Estimating,
  author = {Tobias Wand and Timo Wiedemann and Jan Harren and Oliver Kamps},
  title = {Estimating stable fixed points and Langevin potentials for financial dynamics},
  journal = {Physical Review E (PRE)},
  year = {2024},
  volume = {109},
  number = {2},
  doi = {10.1103/PhysRevE.109.024226},
  note = {Publication status: Published}
}