Health care systems are under reform in many countries. This typically involves a shift towards more competition. But still, markets are highly regulated. This study analyzes competition and regulatory measures in four important fields using the modern tools of microeconomic theory and...

Versorgungsforschung, gesundheitsökonomische Evaluationen, GKV-Routinedaten, Versorgungsprozesse, Sekundärdaten. - Health services research, health economic evaluations, claims data, secondary data, health care process

The paper reviews models of the physician-patient relationship to derive testable hypotheses about the relation between health, demand for medical services and patient's compliance. The models imply that in addition to existing information asymmetries the actions that physician and patient...