In response to increasing health expenditures and a high number of physician visits, the German government introduced a copayment for ambulatory care in 2004 for individuals with statutory health insurance (SHI). Because persons with private insurance were exempt from the copayments, this health...

Research and development (R&D) is a common process in for-profit organizations. Despite the benefits, it is not routinely practiced in nonprofit organizations, in part because it is difficult to identify the effects of programs that are designed to involve individuals over long periods of time....

Recently the software industry has experienced fundamental changes in market structure through the entry of open source competitors, e.g. Linux's entry into the operating systems market. In a simple model we examine the effects of such a change in market structure from monopoly to duopoly under...

Open source software (OSS) is a public good. A self-interested individual would consider providing such software, if the benefits he gained from having it justified the cost of programming. Nevertheless each agent is tempted to free ride and wait for others to develop the software instead. This...

Vor zehn Jahren hat der deutsche Wissenschaftsrat mit seiner Forderung nach einer Verstärkung der akademischen Forschungsleistungen an den deutschen Wirtschaftsforschungsinstituten einen Regimewechsel eingeleitet. Der Anstoß wurde von der Leibniz-Gemeinschaft, der Dachgesellschaft der...

We report results of a survey of a representative sample of the German population in which respondents were asked for their willingness-to-pay (WTP) for either an extension of their life or an improvement in their health corresponding to a gain of one quality-adjusted life year (QALY). While one...

We investigate the welfare impact of parallel imports using a large panel data set containing monthly information on sales, ex-factory prices, and further product characteristics for all 700 anti-diabetic drugs sold in Germany between 2004 and 2010. We estimate a two-stage nested logit model of...

A draft of a reform towards "socially bounded competition" within the health care system indicates, first of all, that several areas of such an insurance system would have to be regulated by the state. Such a reform is much more complicated than text book models or the proposals of various...

In the expected-utility theory of the monetary value of a statistical life, the so-called "dead-anyway" effect discovered by Pratt and Zeckhauser (1996) asserts that an individuals' willingness to pay (WTP) for small reductions in mortality risk increases with the initial level of risk. Their...

The system of risk equalization payments among German Statutory Sickness Funds is currently under intensive political debate. While some participants claim that the enormous size of the equalization payments are detrimental to effective competition among funds, others argue that there are still...