We model the role of dealers in information diffusion in over-the-counter (OTC) markets. A dealer maintains relationships with a network of both informed customers who trade to profit from private information pertaining to asset values and risk-averse liquidity customers who trade to meet...

Stock prices occasionally move in response to unverified rumors. I propose a cheap talk model in which a rumormonger's incentives to tell the truth depend on the interaction between her investment horizon and the information acquisition decisions of message-receiving investors. The model's key...

We study perfect Bayesian equilibria of a sequential social learning model in which agents in a network learn about an underlying state by observing neighbors' choices. In contrast with prior work, we do not assume that the agents' sets of neighbors are mutually independent. We introduce a new...