This work takes a closer look on the predominant assumption in usual lemon market models of having finitely many or even only two different levels of quality. We model a situation which is close to the classical monopolistic setting but admits an interval of possible quality values....

We study a competitive insurance market in which insurers have an imperfect informative advantage over policyholders. We show that the presence of insurers privately and heterogeneously informed about risk can explain the concentration levels, the persistent profitability and the pooling of risk...