This paper investigates competition between health insurance companies under different financing regulations. We … consumer welfare than premia competition when switching between insurance companies is costly. -- health care reform … consider two alternatives advanced in recent German health care reform discussions: competition by contribution rates (health …

(absence) of parallel imports. Our results suggest that price regulation might improve static efficiency without being harmful … for dynamic efficiency in the presence of parallel imports. …

on health care quality, health care financing and welfare. We show that without patient mobility quality is too low (high …

This paper studies the design of health insurance with ex post moral hazard, when there is imperfect competition in the … are considered. The insurance contract specifies two types of copayments: an ad valorem coinsurance rate and a specific …

In this paper we present a theory of health investment when there are multiple causes of death. Since there are several … risks competing for one's life, the health investments in avoiding different causes of death are not independent in general … make such health investments normal goods, non-Giffen goods, gross complements to one another, and have a positive risk …

We study the impact of insurance on the amount of fraud in a physician-patient relationship. In a market for credence …