Influenza imposes substantial costs worldwide in terms of human lives and productivity losses. Vaccination could be a cost-effective way to reduce these costs for firms and public health institutions, but low take-up rates, particularly of working adults, and vaccination unintendingly causing...

I study the effect of reference pricing on competition by parallel imports, in particular the market share of parallel imports and the number of parallel traders. First, I analyze the effect of reference pricing on competition by parallel imports in a vertical differentiation model with a...

Influenza imposes substantial costs worldwide in terms of human lives and productivity losses. Vaccination could be a cost-effective way to reduce these costs for firms and public health institutions, but low take-up rates, particularly of working adults, and vaccination unintendingly causing...

I study the effect of reference pricing on competition by parallel imports, in particular the market share of parallel imports and the number of parallel traders. First, I analyze the effect of reference pricing on competition by parallel imports in a vertical differentiation model with a...

To equalize differences in health plan premiums due to differences in risk pools, German legislature introduced a simple Risk Adjustment Scheme (RAS) based on age, gender and disability status in 1994. In addition, effective 1996, consumers gained the freedom to choose among hundreds of existing...

Competitive social health insurance systems (at least) in Western Europe have implemented systems of morbidity based risk adjustment to set a level playing field for insurers. However, many high cost insured still are heavily underfunded despite risk adjustment, leaving incentives for risk...

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...