Risk adjustment of payments to health plans is fundamental to regulated competition among private insurers, which serves as the basis of national health policy in many countries. To date, estimation and evaluation of a risk adjustment model has been a two-step process. In a first step, the...

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...