We examine the profitability and the welfare implications of pricediscrimination in two-sided markets. Platforms have information aboutthe preferences of the agents that allows them to price discriminatewithin each group. The conventional wisdom from one-sided horizontallydifferentiated markets...

We propose a new location model where consumers are allowed to make multiple purchases (i.e., one unit from each firm). This model fits many markets (e.g. newspapers, credit cards, scholarly journals, subscriptions to TV channels, etc.) better than existing models. A common feature of these...