Recent work suggests that Patent Assertion Entities (PAEs) — or “patent trolls” — are a new form of financial intermediary. According to this view, individual patent holders are unable to contract with large manufacturers because they lack the financial resources necessary to litigate...

"We devise an experiment to explore the effect of different degrees of competition on optimal contracts in a hidden-information context. In our benchmark case, each principal is matched with one agent of unknown type. In our second treatment, a principal can select one of three agents, while in...