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Abstract: In this paper we examine the pricing behaviour of nonprofit health insurers in the Dutch social health insurance market. Since for-profit insurers were not allowed in this market, potential spillover effects from the presence of for-profit insurers on the behaviour of nonprofit insurers were absent. Using a panel data set for all health insurers operating in the Dutch social health insurance market over the period 1996–2004, we estimate a premium model to determine which factors explain the price setting behaviour of nonprofit health insurers. We find that financial stability rather than profit maximisation offers the best explanation for health plan pricing behaviour. In the presence of weak price competition, health insurers did not set premiums to maximize profits. Nevertheless, our findings suggest that regulations on financial reserves are needed to restrict premiums. [Copyright &y& Elsevier]

Abstract: A necessary condition for competition to promote quality in hospital markets is that patients are sensitive to differences in hospital quality. In this paper we examine the relationship between hospital quality, as measured by publicly available quality ratings, and patient hospital choice for angioplasty using individual claims data from a large health insurer. We find that Dutch patients have a high propensity to choose hospitals with a good reputation, both overall and for cardiology, and a low readmission rate after treatment for heart failure. Relative to a mean readmission rate of 8.5% we find that a 1%-point lower readmission rate is associated with a 12% increase in hospital demand. Since readmission rates are not adjusted for case-mix they may not provide a correct signal of hospital quality. Insofar patients base their hospital choice on such imperfect quality information, this may result in suboptimal choices and risk selection by hospitals. [Copyright &y& Elsevier]