We investigate two determinants of the price sensitivity of health plan demand among retirees in the German social health insurance (SHI): the size of the choice set and the salience of premium differences. We use variation in the choice set over time and between regions, and an increase in the...

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...

Under the Patient Protection and Affordable Care Act (ACA), many low-income consumers have become eligible for government support to buy health insurance. Whether these consumers are able to take advantage of the support and to make sound decisions about purchasing health insurance likely...