I consider the case of consumer-contributed markets, defined as markets where the consumer herself has a role in the supply side of the market as well. Consequently, the prominent issue is offering the consumer incentives to fulfil that role, which clearly bears a cost to her. The role of the...

A matching platform elicits information about two customers' (quality) types and decides how to disclose that information. The platform intends to persuade the customers to form a match, knowing that adverse selection may occur (and undermine matchmaking) when the customers are uncertain about...

This paper studies sequential social learning when people learn about others' actions through coarse signals. Agents arrive in cohorts sequentially. Each agent chooses an action upon observing a private "state-signal'' about a payoff-relevant state of the world and "action-signals'' that...

A sender sends a signal about a state to a receiver who takes an action that determines a payoff. A moderator can block some or all of the sender's signal before it reaches the receiver. When the moderator's policy is transparent to the receiver, the moderator can improve the payoff by blocking...

Does competition promote efficient platform pricing and market structures? We model imperfect platform competition using a new approach, Insulated Equilibrium (IE). Building on the observation that platforms often charge low prices to build a "critical mass", IE assumes platforms use...

In this article, we analyze the dynamic competition between two platform firms (A&B) in two-sided markets with network externalities. In Period 1, platform A or B wins the contest in a first stage and can serve the two-sided market monopolistically in a second stage. In Period 2, the two...

A model of two-sided market (for credit cards) is introduced and discussed. In this model, agents can join none, one, or more than one platform (multihoming), depending on access prices and the choices made by agents on the opposite market side. Although emerging multihoming patterns are,...