Care for the elderly in Germany: efficiency, productivity and their determinants

Data Envelopment Analysis, Malmquist-Index, Pflegeheim, Pflegedienst, Produktivität, Effektivität, Altenpflege, Gesundheitsökonomie, Volkswirtschaftslehre, Nursing Homes, Formal home care providers, Productivity, Efficiency, Care for the elderly, Returns of sale