Mediating transactions through the Internet removes important cues that salespeople can use to assess a consumer …'s willingness to pay. We analyze whether dealers' difficulty in identifying consumer characteristics on the Internet and consumers … discrimination. The second part of the paper turns to the role of the Internet. Online minority buyers who use the Internet Referral …

This paper investigates how the tying of complementary products can be used to preserve and extend monopoly positions …. We first show how a firm that is a monopolist of a product in the current period can use tying to preserve its monopoly … monopoly position into a newly emerging market. The analysis focuses on the importance of entry costs and network externalities …