When a user shares multi-dimensional data about themselves with a firm, the firm learns about the correlations of different dimensions of user data. We incorporate this type of learning into a model of a data market in which a firm acquires data from users with privacy concerns. User data is...

'Notice and Choice' has been the reference framework for how firms elicit data from consumers. This paper investigates distortions in consumer behavior which may limit the ability of consumers to safeguard their privacy using data from a field experiment at MIT. There are three findings. First,...