We use administrative data from the largest sickness fund in Germany to analyze the relationship between the district density of general and medical practitioner and the quality of care provided to the frail elderly. The quality of care is studied considering prescriptions of potentially...

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...