There is much debate on how the flow of information between firms should be organized, and whether existing privacy laws should be amended. We offer a welfare comparison of the three main current policies towards consumer privacy .anonymity, opt in, and opt out .within a two-period model of...

We study the competitive and welfare consequences when only one firm must commit to uniform pricing while the competitor's pricing policy is left unconstrained. The asymmetric no-discrimination constraint prohibits both behaviour-based price discrimination within the competitive segment and...

A proportional decrease in switching costs increases competition and social welfare. However, a lump sum decrease in switching costs softens competition and does not invariably increase social welfare.