@article{hypotheticalbiasinstatedchoice1,
  title = {Hypothetical bias in stated choice experiments: Part I. Integrative synthesis of empirical evidence and conceptualisation of external validity},
  author = {Milad Haghani and Michiel C. J. Bliemer and John M. Rose and Harmen Oppewal and Emily Lancsar},
  year = {2021},
  eprint = {2102.02940},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2102.02940v1},
}