science1 distinct publisher
Yelp's 90-day fake-review penalty behaves like an 18-month demand cut
Planting fake reviews is usually priced as costless if you get away with it. A George Mason working paper puts a number on not getting away with it, using Yelp alerts, foot-traffic counts and card spending.
Publishers:phys.org
Reality
- Evidence44
- Adoption34
- Hype gap+19
- Incentives61