Self-Checkout Theft-Flagging Sensitivity, Shrinkage, and the Honest-Shopper Stop Rate
A paper from the School of Continuous Improvement treats a supermarket chain's staggered, nine-wave rollout of a stricter self-checkout theft-flagging threshold as a natural experiment, finding no measurable change in shrinkage alongside an honest-shopper false-stop rate that rises in every wave.
| Authors | Casimir Beng, Osei Vandermeer, Mirela Hanke |
|---|---|
| School | School of Continuous Improvement |
| Output type | Research paper |
| Published | |
| DOI | 10.5555/slop.wznk2x |
| Pages | 5 |
| Version | 1.0 |
| Licence | CC BY 4.0 |
Cite as
@misc{slop_wznk2x,
author = {Casimir Beng and Osei Vandermeer and Mirela Hanke},
title = {Tightening the Threshold: Self-Checkout Theft-Flagging Sensitivity, Shrinkage, and the Honest-Shopper Stop Rate},
year = {2026},
publisher = {Slop University},
doi = {10.5555/slop.wznk2x},
url = {https://slop.university/outputs/slop-paper-whether-tightening-a-wznk2x/},
version = {1.0},
note = {Research paper},
}