Narrow search
Showing 1 - 10 of 2,309
Cover Image
Measuring economic journals’ citation efficiency: A data envelopment analysis approach
Halkos, George; Tzeremes, Nickolaos - Volkswirtschaftliche Fakultät, … - 2011
This paper by using Data Envelopment Analysis (DEA) and statistical inference evaluates the citation performance of 229 economic journals. The paper categorizes the journals into four main categories (A to D) based on their efficiency levels. The results are then compared to the 27 “core...
Persistent link: https://www.econbiz.de/10008923036
Cover Image
Analysing Productivity Changes Using the Bootstrapped Malmquist Approach: The Case of the Iranian Banking Industry
Arjomandi, Amir; Valadkhani, Abbas; Harvie, Charles - Volkswirtschaftliche Fakultät, … - 2011
government regulation on the performance of the Iranian banking industry over the period 2003-2008. An alternative decomposition … individual banks, the efficiency and productivity of the overall industry declined after regulation. We also find that … productivity had positive growth before regulation mainly due to improvements in pure technology, and that government ownership had …
Persistent link: https://www.econbiz.de/10011260807
Cover Image
A variant of radial measure capable of dealing with negative inputs and outputs in data envelopment analysis
Cheng, Gang; Zervopoulos, Panagiotis; Qian, Zhenhua - Volkswirtschaftliche Fakultät, … - 2011
Data envelopment analysis (DEA) is a linear programming methodology to evaluate the relative technical efficiency for each member of a set of peer decision making units (DMUs) with multiple inputs and multiple outputs. It has been widely used to measure performance in many areas. A weakness of...
Persistent link: https://www.econbiz.de/10009022012
Cover Image
A universal solution for units-invariance in data envelopment analysis
Xu, Jin; Zervopoulos, Panagiotis; Qian, Zhenhua; Cheng, Gang - Volkswirtschaftliche Fakultät, … - 2012
The directional distance function model is a generalization of the radial model in data envelopment analysis (DEA). The directional distance function model is appropriate for dealing with cases where undesirable outputs exist. However, it is not a units-invariant measure of efficiency, which...
Persistent link: https://www.econbiz.de/10011108841
Cover Image
Measuring the effect of virtual mergers on banks’ efficiency levels:A non parametric analysis
Halkos, George; Tzeremes, Nickolaos - Volkswirtschaftliche Fakultät, … - 2010
This study illustrates how the recent developments in efficiency analysis and statistical inference can be applied when evaluating banks’ performance issues from a potential merger. By using a sample of 29 Greek commercial banks the paper provides a six step procedure in order to evaluate...
Persistent link: https://www.econbiz.de/10008534261
Cover Image
National culture and multinational performance
Halkos, George; Tzeremes, Nickolaos - Volkswirtschaftliche Fakultät, … - 2008
The question of why some multinational corporations perform better than others is in the centre of the analysis of many international business disciplines and the subject of a never-ending debate. In that respect this paper provides empirical evidence by combining strategic management theories...
Persistent link: https://www.econbiz.de/10008534272
Cover Image
Performance evaluation using bootstrapping DEA techniques: Evidence from industry ratio analysis
Halkos, George; Tzeremes, Nickolaos - Volkswirtschaftliche Fakultät, … - 2010
In Data Envelopment Analysis (DEA) context financial data/ ratios have been used in order to produce a unified measure of performance metric. However, several scholars have indicated that the inclusion of financial ratios create biased efficiency estimates with implications on firms’ and...
Persistent link: https://www.econbiz.de/10008645117
Cover Image
Handling negative data using Data Envelopment Analysis: a directional distance approach applied to higher education
Barra, Cristian; Zotti, Roberto - Volkswirtschaftliche Fakultät, … - 2014
This paper applies a data envelopment analysis (DEA) method to assess technical efficiency of both private and public universities in Italy. Moving from the traditional context where inputs and outputs are assumed to be non-negative, a directional distance function approach has been applied in...
Persistent link: https://www.econbiz.de/10011107940
Cover Image
A generalized directional distance function in data envelopment analysis and its application to a cross-country measurement of health efficiency
Cheng, Gang; Zervopoulos, Panagiotis - Volkswirtschaftliche Fakultät, … - 2012
Economic activity produces not only desirable outputs but also undesirable outputs that are usually called negative externalities in economic theory. Negative externalities are usually omitted from efficiency assessments (i.e., applications of Data Envelopment Analysis) which fail to express the...
Persistent link: https://www.econbiz.de/10011107866
Cover Image
A nonparametric analysis of the Greek renewable energy sector
Halkos, George; Tzeremes, Nickolaos - Volkswirtschaftliche Fakultät, … - 2011
This paper applies a bootstrapped Data Envelopment Analysis (DEA) formulation aiming to evaluate the financial performance of the firms operating in the Greek renewable energy sector. With the use of financial ratios in a DEA setting, efficiency ratios are constructed in order to analyse...
Persistent link: https://www.econbiz.de/10009001165