, AirBnB, and Upwork, where a central platform mediates economic transactions between buyers and sellers. A common feature of … many of these two-sided marketplaces is that the platform has full control over search and discovery, but prices are … discovery in two-sided markets with endogenous prices. We consider a model where an online platform knows each buyer …

the self-reinforcing mechanism may be weakened and the implications for media platform design are explored …