Many competitive health insurance markets adjust payments to participating health plans according to their enrollees' risk - including based on diagnostic information. We investigate responses of German health plans to the introduction of morbidity-based risk adjustment in the Statutory Health...

In a two-stage model insurance companies first decide upon risk classification and then compete in prices. I show that the observed heterogeneous behavior of similar firms is compatible with rational behavior. On the deregulated German insurance market individual application of classification...

Es wird gezeigt, dass die heute bestehende statistische Basis ausreicht, den Übergang von einem kollektivistischen System der Absicherung von Arbeitslosigkeit zu einem individualistischen Trennsystem zu bewältigen. Zunächst wird die Methodik zur Bestimmung des individuellen ?realen""...