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APPROXIMATING PURCHASE PROPENSITIES AND RESERVATION PRICES FROM BROAD CONSUMER TRACKING
Author(s) -
Shiller Benjamin Reed
Publication year - 2020
Publication title -
international economic review
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.658
H-Index - 86
eISSN - 1468-2354
pISSN - 0020-6598
DOI - 10.1111/iere.12442
Subject(s) - demographics , reservation , economic surplus , profit (economics) , economics , microeconomics , advertising , business , computer science , computer network , demography , sociology , welfare , market economy
A consumer's web‐browsing history, now readily available, may be much more useful than demographics for both targeting advertisements and personalizing prices. Using a method that combines economic modeling and machine learning methods, I find a striking difference. Personalizing prices based on web‐browsing histories increases profits by 12.99%. Using demographics alone to personalize prices raises profits by only 0.25%, suggesting the percent profit gain from personalized pricing has increased 50‐fold. I then investigate whether regulations intended to prevent price gouging increase aggregate consumer surplus. Two feasible regulations considered offer at best modest improvements.

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