Showing 1 - 10 of 304
Analysis (DEA) have become very popular in the analysis of productive efficiency. This paper undertakes a comparison of the SFA and the constant returns to scale (CRS) and variable returns to scale (VRS) output-oriented DEA models, based on a sample of 165 dairy farms in Greece. However, the aim...
Persistent link: https://www.econbiz.de/10010289398
This study analyzes the impact of international trade on environmental efficiency. Using a data envelopment analysis (DEA) model that allows us to treat undesirable outputs and super-efficiency beyond unity, we measure the environmental efficiency of four typical air pollutants-SO 2 , NOx,...
Persistent link: https://www.econbiz.de/10011552024
Choosing funds is a general issue for investors, with the aim of balancing potential risks and returns. The aim of this article is to use a super-efficiency approach to analyze and rank exchange-traded funds (ETFs) in order to find the best utility ETFs. The range-adjusted measure (RAM)-based...
Persistent link: https://www.econbiz.de/10014332519
This paper investigates the efficiency of 188 economics departments around the world using data from RePEc. We go beyond the heavily used data envelopment analysis and utilize partial frontier analysis – specifically order-α and order-m – which addresses some of the drawbacks of the...
Persistent link: https://www.econbiz.de/10011927936
This article analyzes the sources of bank efficiency in Colombia over the period 2000-2011. To perform this research, the authors propose a score of bank efficiency using the directional distance function, which was estimated using data envelopment analysis. Additionally, they use an ordered...
Persistent link: https://www.econbiz.de/10011848648
Persistent link: https://www.econbiz.de/10011695859
Die Wahl zwischen Diversifikation und Spezialisierung ist eine lange und kontrovers diskutierte Frage in der … messen, wie sie bei real existierender, also beobachtbarer Diversifikation reagieren und ob sie in Querschnitt- und … Diversifikation sowie ihrer Entwicklung im Zeitverlauf für das verarbeitende Gewerbe in Deutschland gegeben. …
Persistent link: https://www.econbiz.de/10010377805
, enterprises that pursue a diversification strategy prove against it as clearly growth-oriented. However, not all enterprises …
Persistent link: https://www.econbiz.de/10010377807
Der deutsche Maschinenbau ist seit langem sowohl national als auch international sehr erfolgreich. Wie in kaum einem zweiten Sektor dominieren zudem mittelgroße Unternehmen. Eine erste Analyse des DIW Berlin zeigt, dass sich dieser Erfolg nicht auf eine volle Ausschöpfung vorhandener...
Persistent link: https://www.econbiz.de/10011602110
The objective of our study was to evaluate the efficiency of public, private for-profit, and private non-profit hospitals in Germany. First, bootstrapped data envelopment analysis (DEA) was used to evaluate the efficiency of a panel (n = 1,046) of public, private for-profit, and private...
Persistent link: https://www.econbiz.de/10010421342