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...

High employment protection in the public sector results in strategic over-employment if government divisions compete for budgets in a dynamic setting. Bureaucrats who are interested in maximising their divisions' output employ excess labor, since this induces the sponsor to provide complementary...

Seit 1996 können die Versicherten in der gesetzlichen Krankenversicherung Deutschlands (GKV) ihre Krankenkasse frei wählen. Der Wettbewerb zwischen den Kassenwurde damit erheblich verstärkt. Wegen des Verbots risikoabhängiger Prämien (Diskriminierungsverbot) haben die Krankenkassen einen...