On the Use of Information in Repeated Insurance Markets
نویسندگان
چکیده
We analyze the use of information in a repeated oligopolistic insurance market. To sustain collusion, insurance companies might refrain from changing their pricing schedules even if new information about risks becomes available. We therefore provide an explanation for the existence of “unused observables” – that is information which a) insurance companies collect or could collect, b) is correlated with the risk experience, but c) is not used by companies to set prices. Furthermore, the existence of bulk discounts becomes rationalizable. These results also obtain if we include communication among companies and market entry to our framework.
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