The diffusion of health care technology is influenced by both the total market share of managed care organizations as well as the level of competition among them. This paper differentiates between HMO penetration and competition and examines their relationship to the adoption of cardiac...

The importance of the physician-patient relationship for the health care market is beyond controversy. Most theoretical work is done in a principal-agent framework, dealing with moral hazard problems. Recent work emphasizes a two-sided asymmetric information relationship between physician and...

This paper analyses the effect of school quality on early career earnings. Using confidential district level information from the German Socio-Economic Panel (GSOEP), it is demonstrated that class size has no discernible effect on early career earnings. This finding is robust to changes in...

This paper presents new evidence on the effects of attendance on academic performance. We exploit a large panel data set for Introductory Microeconomics students to explicitly take into account the effect of unobservable factors correlated with attendance, such as ability, effort and motivation....