Technological advances in the insurance industry mean that insurers now may be better informed about underlying risks faced by individual consumers than consumers themselves. We evaluate the impact of these information frictions on welfare by combining demand elicitation surveys with insurance...

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...

We assess the quantitative importance of reclassification risk in the US health insurance market. Reclassification risk arises because the health conditions of individuals evolve over time, while a typical health insurance contract only lasts for one year. Thus, a change in the health status can...