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...

This paper sets up an experimental asset market in the laboratory to investigate the effects of ambiguity on price formation and trading behavior in financial markets. The obtained trading data is used to analyze the effect of ambiguity on various market outcomes (the price level, volatility,...