Risk Selection is an issue in social health insurance in Germany as well as in private health insurance markets with long-term contracts. The inducement to primariliy select healthier insurants (cream skimming) is high. For community-rated systems there are attempts to install a...

In the private health insurance (phi) market in Germany ageing provisions are used to reduce age-related premium increases in long-term contracts. Currently, the provisions are not transferred if the insured person switches to another provider. Thus, there are no incentives for the insured to...

Co-production of knowledge between academic and non-academic communities is a prerequisite for research aiming at more sustainable development paths. Sustainability researchers face three challenges in such co-production: (a) addressing power relations; (b) interrelating different perspectives...