A game-theoretic framework that allows for explicitly randomized strategies is used to study the e ect of ambiguity … predictions of two player games with ambiguity averse and with ambiguity neutral players are observationally equivalent. This … beliefs to the context of ambiguity aversion yields substantially di erent predictions even for the case with just two players. …

uncertainty about fraud detection can be an effective strategy to deter ambiguity-averse agents from reporting false insurance … committing to a fraud detection strategy eliminates the ambiguity. Thus strategic ambiguity can be an equilibrium outcome in the … auditing settings and complements the literature on games with ambiguity-averse players. …

uncertainty about fraud detection can be an effective strategy to deter ambiguity-averse agents from reporting false insurance … committing to a fraud-detection strategy eliminates the ambiguity. Thus, strategic ambiguity can be an equilibrium outcome in the …

ambiguity may induce such behaviour.[...] …