Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 28 for “"Efficiency Measurement"”.
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Efficiency measurement. A methodological comparison of parametric and non-parametric approaches.
The thesis examines technical efficiency using frontier efficiency estimation techniques from parametric and non-parametric approaches. Five different frontier efficiency estimation techniques are considered which are SFA, DFA, DEA-CCR, DEA-BCC and DEA-RAM. These techniques are then used on an …
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Overall Equipment Effectiveness and overall Line Efficiency Measurement using Intelligent Systems Techniques
… Equipment Effectiveness, and Overall Line Efficiency, using IS techniques. Existing methodology to measure Overall Equipment Effectiveness (OEE) is based on three main elements consisting availability, performance and quality. This traditional method of measuring OEE has proven to be …
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Issues in technical efficiency measurement with an application to the domestic airline industry
… consists of three essays with technical efficiency as the focus. The first essay uniquely integrates three literatures: technical efficiency, comovement and convergence. Using a panel data set of eleven domestic airlines followed quarterly from 1970 to 1990, time series technical …
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Heterogeneous Decision-Making in Socio-Technical Systems Methodologies for Efficiency Measurement and Decision Analysis with Mixed Data
… DEA models, while robust in assessing relative efficiency across multiple inputs and outputs, implicitly assume homogeneity among decision-making units (DMUs) and precise, ratio-scaled data. These assumptions fall short when confronted with the realities of STSs, which are characterized by …
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Development of a Comprehensive Framework for the Efficiency Measurement of Road Maintenance Strategies using Data Envelopment Analysis
… However, the road maintenance performance measurement systems developed and implemented by researchers and state departments of transportation (DOTs) mainly focus on the effectiveness measures, e.g., the level-of-service. Such measurement systems do not sufficiently elaborate on the …
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Management of Complex Sociotechnical Systems
… of STSs: safe management, collaboration, and efficiency measurement. The first essay investigates the amount of work allocated to safety-critical decision makers and quantifies Rasmussen's workload boundary that represents the limit of attainable workload. The major contribution of this study …
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Aerodynamic performance measurements in a counter-rotating aspirated compressor
… in steady state conditions. To measure the efficiency of this unique machine, the total temperature as well as the total and the static pressures at the inlet and the outlet of the compressor are measured. Due to the short test time ([approx.]100 ms) and unsteady nature of the blow-down …
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Measurement of antenna radiation efficiency using improved Wheeler cap algorithm
Radiation efficiency measurement can inform the wireless design process by determining the total fraction of accepted power radiated by an antenna. The popular Wheeler cap method can be used to quickly and accurately determine the radiation efficiency of small antennas. However, due to cavity …
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UAB "Šiaulių vandenys" veiklos efektyvumo vertinimas ir perspektyvų numatymas /
… deals with theoretical aspects of company‘s efficiency and efficiency measurement indexes, which are used practically to solve the problem of resource allocation and repartition in PLLC “Siauliu vandenys”. A comparative analysis of other major Lithuanian cities water extraction and sewerage …
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Production frontiers and efficiency measures : concepts and applications
… the one sided-error term used to characterize inefficiency are somewhat restrictive. Moreover, alternative distributional assumptions can lead to substantially different results for the estimated technical efficiencies; making it difficult to provide an economic and practical justification of the …
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Production frontiers and efficiency measures : concepts and applications
… the one sided-error term used to characterize inefficiency are somewhat restrictive. Moreover, alternative distributional assumptions can lead to substantially different results for the estimated technical efficiencies; making it difficult to provide an economic and practical justification of the …
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An assessment of performance and efficiency of team-based organizations: empirical evidence of English premier league (EPL) using data envelopment analysis (DEA) and naturalistic approach (NA), 2005 to 2016
… of issues about measuring performance and efficiency of sports resource to justify ranking in the EPL is presented in this study. This thesis addressed the changing focus in football management and many unresolved questions relating to Performance and Efficiency Measurement (PEM) of a …
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Mass flow and temperature measurements in the flue of a woodburning appliance
… pollution. Development of improved emissions and efficiency measurement methods will allow the development of improved stoves. Room calorimetry is used as the standard for measuring the energy efficiency of stoves. Unfortunately, this method is expensive and few wood stove manufacturers can afford …
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Measurement of the efficiency of a flashing flow nozzle
The efficiency of a flashing flow converging-diverging nozzle was measured. The primary motivation for measurement of nozzle efficiency in this work was to improve the performance of an ejector as a refrigerant expander; previous experimentation has suggested that motive nozzle efficiency is poor. …
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Dominance Based Measurement of Environmental Performance and Productive Efficiency of Manufacturing
The concept of efficiency measurement is based on the definition of a frontier that envelopes observed production plans. The effect of pollution on productive efficiency is typically studied by considering pollution as not freely disposable (i.e., there is a cost incurred to dispose of pollution) …
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Optimizing Multi-Dimensional Efficiency of Foundation Models: From Fine-Tuning to Inference
… to the inherently multi-dimensional nature of efficiency (e.g., runtime, memory footprint, and energy) and the fact that operational emissions depend on both energy consumption and time- and location-varying carbon intensity under real-world constraints. This dissertation proposes an end-to-end …
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Efficiency and Restructuring in Regulated Energy Networks: Evidence from Germany and the US
… brings together the two issues of certain efficiency measurement problems and the industry restructuring in Germany and the US in order to contribute to the current discussion of robust benchmarking and to provide political implications related to the industry’s structure. Therefore, the …
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Modeling Undesirable Outputs in Data Envelopment Analysis: Various Approaches
… general practice in performance and production efficiency measurement has been to ignore additional products of most transformation processes that can be classified as "undesirable outputs" — which are a subset of the output set. Without the inclusion of these factors, the efficiency evaluation …
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Performance measurement of English public sport facilities: aggregate analysis and its practicability
… are measured in this thesis, i. e. operational efficiency, sport equity, service quality and customer segmentation.</p> <p>First, two aggregate performance analyses data envelopment analysis (DEA) and multivariate statistical analysis (MSA) are conducted to provide an insight into the industry's …
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The evaluation of case-mix adjusted efficiency scores the case of the South African private hospital industry
… South African literature relating to hospital efficiency that allows for differences in case mix across hospitals. One of the primary motivations for this dissertation is to help fill this gap in the literature by examining the impact that adjusting for differences in case mix has on efficiency …
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