Best practice as actual and relative benchmark to inefficient units: Multiset DEA analysis
Journal Title: Vojnotehnički glasnik - Year 2018, Vol 66, Issue 3
Abstract
The direction in research of the efficiency of decision-making units in this paper is an efficient→multi-inefficient→multi-efficient unit. So, the general purpose of this paper is twofold: (1) identification of 'hidden' inefficient units within a multi-set, among efficient units of the basic set, and (2) achieving the efficiency in such identified inefficient units. This indicates (warns of!) a negative efficient→inefficient process, so as to provide a timely response and thereby prevent multi-inefficiency. The specific goal is to assess the efficiency of the Serbian railway passenger stations, first within the basic set of the Passenger Transport Section Belgrade, then in the multi-set of the Passenger Transport Sections, and finally in the superset, the Passenger Transport Sector. This is achieved by means of the multi-set DEA (Data Envelopment Analysis) method, which is a system for: (i) relative efficiency assessment, in the first iteration, through the basic set analysis, and (ii) decrease in efficiency of potentially inefficient units, in subsequent iterations, through the multi-set analysis. The result is that the efficient stations Požarevac and Pančevo Bridge are at the initial level, and the (newly) efficient Požarevac, Novi Sad and Inđija at the final level. The best practice station remains the Požarevac Station, which is multi-efficient, and therefore the role model to inefficient stations. The conclusion is drawn that the solution resulting from the multi-set DEA analysis is more realistic, and less relative, because it applies to a wider analysed set of decision-making units, i.e., a larger coverage when considering the issue. This is important for fitting into the new era of growing globalization, and therefore our recommendation is the integral multi-set, as opposed to the individual single set approach.
Authors and Affiliations
Dubravka Vuković
Keywords
Related Articles
- EP ID EP302670
- DOI 10.5937/vojtehg66-16155
- Views 91
- Downloads 0
Mechanical properties and microstructures of bio-inert layers of chrome oxide coatings deposited by the APS process
Plasma spray Cr2O3 ceramic layers are used as a separate coating or as a supplement to bio-reactive organic composite ceramics Ca10(PO4)6(OH)2-Al2O3-ZrO2-Cr2O3 and other bio-inert ceramics in composites of the types Al2O...
Evaluation of the usability of web-based applications
The paper emphasizes the importance of the usability of Web-based applications as an essential condition for attracting and retaining customers. At the beginning of the paper, a general classification of methods for usab...
Combat stiffness of the launcher platform
Possible loads on a multiple rocket launcher have been systemized and analyzed. Based on the analysis of loads, a mathematical-mechanical model has been made to describe the stability of a MLR hit by a high explosive-fra...
7th International Scientific Conference on Defensive Technologies OTEH-2016 (Proceedings review)
The article presents the basic information about the overall results, the significance, the international programme committee and the working areas of the 7th International Scientific Conference on Defensive Technologies...
A note on the Meir-Keeler theorem in the context of b-metric spaces
In this note we consider the famous Meir-Keeler's theorem in the context of b-metric spaces. Our result generalizes, improves, compliments, unifies and enriches several known ones in the existing literature. Also, our pr...