1. Transparency of behavior-based pricing;Li;J Market Res,,2020
2. Michael P.. 8 ways retailers are tracking your every move. 2016. https://money.com/how-retailers-track-you/.
3. Seaney R.. Airfare expert: Do cookies really raise airfares?2013. USA Today (April 30).
4. Oligopoly price discrimination by purchase history;Chen,2005
5. Streitfeld D.. On the web price tags blur: What you pay could depend on who you are. 2000. Washington Post (September 27).