We introduce a model in which firms trade goods via bilateral contracts which specify a buyer, a seller, and the terms of the exchange. This setting subsumes (many-to-many) matching with contracts, as well as supply chain matching. When firms' relationships do not exhibit a supply chain...

Economists have long been puzzled by event-ticket underpricing: underpricing both reduces revenue and encourages socially wasteful rent-seeking by ticket brokers. This paper studies the introduction of auctions into this market by Ticketmaster. We first show theoretically that Ticketmaster's...