Not All E-Commerce Businesses are Born Equal: Implications for Privacy Regulation

This paper discusses privacy concerns and privacy regulation under two different e-commerce business models: a pure marketplace and a hybrid marketplace. In previous papers we have found that the nature of the business model has crucial implications for the scope of the private information collected and disclosed by the online company; e.g. hybrid marketplaces have fewer incentives to collect and disclose than pure marketplaces in many circumstances. In this paper we explore the implications of