Andor, Mark; Hesse, Frederik - Institut für Siedlungs- und Wohnungswesen, …
Based on the seminal paper of Farrell (1957), researchers have developed several methods for measuring eciency. Nowadays, the most prominent representatives are nonparametric data envelopment analysis (DEA) and parametric stochastic frontier analysis (SFA), both introduced in the late 1970s....