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Performance Analysis of TCAMs in SwitchesTawakol, Abdel Maguid 25 April 2012 (has links)
The Catalyst 6500 is a modern commercial switch, capable of processing millions of packets per second through the utilization of specialized hardware. One of the main hardware components aiding the switch in performing its task is the Ternary Content Addressable Memory (TCAM). TCAMs update themselves with data relevant to routing and switching based on the traffic flowing through the switch. This enables the switch to forward future packets destined to a location that has already been previously discovered - at a very high speed.
The problem is TCAMs have a limited size, and once they reach their capacity, the switch has to rely on software to perform the switching and routing - a much slower process than performing Hardware Switching that utilizes the TCAM. A framework has been developed to analyze the switch’s performance once the TCAM has reached its capacity, as well as measure the penalty associated with a cache miss. This thesis concludes with some recommendations and future work.
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企業流程資訊有機體模式在診斷企業流程之應用及其績效評估-以某公司為例黃淑滿, Huang,Shu-man Unknown Date (has links)
企業流程是企業營運核心,也是創造企業競爭力之關鍵因素。本論文以個案公司現行願景為基礎,植基於會計交易循環之基礎架構,參考Tsaih.et al. (2004)企業整體資訊有機體模式之分析架構,重現並分析個案公司之現行關鍵營運流程。本研究首先透過系統化分析企業個體對內、對外之資訊流聯絡管道及接觸點,辨認並評估個案公司之關鍵流程與其資訊流的流暢度。接著以前述分析結果作為辨識及改善企業作業流程之基礎,作成相關流程改善建議及績效評估參考指標。最後,結合PWIO分析結果與平衡計分卡觀念,提供個案公司建議性策略地圖,以作為評估及管理未來績效之基礎。
本論文發現,個案公司之現有流程並無法有效達成現行願景。因此,我們運用PWIO分析模式及主要作業流程關聯圖呈現個案公司在銷售及收款循環、採購及付款循環、配送作業等流程運作效率上可以改善之處。此外,依據分析所示流程目標並透過平衡計分卡概念,建立其流程績效指標。最後,發展個案公司之策略地圖,呈現個案公司在現有願景下,財務、顧客、內部流程及學習與成長四大構面之因果關係,以作為個案公司未來評估及管理其策略性成果之架構。 / The business processes are central to a company’s operation and competitive advantages. Based on the analytical framework proposed by Tsaih et.al. (2004), and an application of accounting transaction cycle approach, this thesis investigates the key business processes of a hyper-mart in Taiwan. The major objectives of this paper are three-fold. Relied on the existing vision of the firm under studied, this thesis first restores and analyzes its core operation by identifying the practices of the contact point and information channel underlying the key business processes. The related suggestions on process improvement are then discussed and proposed based on the analyses from the previous step. Finally, a proposed strategy map will be developed to serve as the basis of evaluation and management of the strategic performance in the future.
The research results indicate that the operation processes currently employed by the case firm cannot meet its vision effectively. Through the chart describing the practices of contact point and information channel, the smoothness of the key processes and the corresponding process improvements were suggested. In addition, through an integration of goals derived from process practices with the balanced scorecard concept, performance measures help achieve the goals of processes are developed accordingly. A strategy map delineating the casual-effect relationship between the Financial, Customer, Process as well as Learning and Innovation perspectives and the performance indicators is also provided. The managerial implications of such framework are discussed.
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Essays on causal performance measurement modelsKasperskaya, Yulia 21 March 2007 (has links)
La tesis trata de los modelos de gestión modernos de naturaleza causal, entre los que destaca el Cuadro de Mando Integral (CMI). En primer lugar, se presenta un análisis conceptual su supuesto central, las relaciones causa-efecto. En segundo lugar, se ofrece un análisis estadístico de los supuestos del CMI. En tercer lugar, a partir dos casos de estudio de ayuntamientos, se compara y analiza la implementación del CMI en las organizaciones. El análisis conceptual indica que la complejidad, la incertidumbre y el carácter dinámico del entorno pueden obstaculizar la elaboración de modelos válidos de causa-efecto. Los resultados del análisis estadístico no permiten confirmar la hipótesis de existencia de relaciones estables en el CMI. Finalmente, el análisis de los casos sugiere que las organizaciones pueden recurrir a diversas tácticas y escenarios para implementar el CMI y enfatiza la influencia que las rutinas y normas establecidas en las organizaciones ejercen en ello. / This dissertation address a number of research questions related to causal performance measurement models, such as the Balanced Scorecard (BSC). First, we provide an analytical discussion on the topic of the cause-and-effect relationships in these models. Second, we test of the BSC assumptions on empirical data coming from the dynamic enterprises. Third, we compare and analyze the BSC adoption by two city councils. The conceptual analysis indicates that dynamic, complex and uncertain environment and the cognitive limitations of managers may greatly challenge the elaboration of valid causal models. Our statistical results give little support to the existence of stable BSC links. Our case studies findings show diverse organizational rationalities behind the BSC adoption in organizations and the importance of the existing rules and routines.
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An empirical study into factors influencing the use of value-based management toolsSakunasingha, Benjalux Unknown Date (has links)
For management to perform its functions of planning, organizing, leading and controlling effectively, a control process has to be in place. This control process should incorporate a target or standard measures and compares performance with the standard, evaluates results and takes any necessary corrective action. Hence, the introduction of the control process, including the measurement and evaluation of performance, has been recognized as a significant progression to ensure organizations achieve their objectives and goals.There are a number of performance measurement tools for management to select but one that stands out as possibly the preferred method is Value-based management (VBM). Value-based management, a relatively new concept, offers management a better way to measure performance in today’s business environment. The application of VBM links business strategy, finance, performance measurement and management processes all together to create value. VBM tells how the value of an organization is maximized, while developing corporate value is the best long-term measure to show how good the present management is doing its job. Therefore, VBM indicates the current situation as well as future prospects of an organization. Further, VBM helps managers and employees to obtain a sharper focus of the corporate vision and objectives based on one leading measurement indicator – that is to enhance corporate value. Unlike many performance measurement tools that may focus on many objectives, which may cause the lack of single focus for accountability for shareholder value, VBM provides a clearer objective focusing on the financial objectives across the organization. More importantly, VBM includes the cost of all capital required, while many performance measurement tools still provide incomplete information about cost.The purpose of this research is to study what organization factors influence the choice of performance measurement tools, such as VBM selected by management. This research also studies the manner in which the selection and the use of VBM might affect the performance of organizations in Thailand. A number of studies were made in the past dealing with the effectiveness of VBM.These studies analyzed how VBM assisted management in their administration and measurement of organizational activities. These researches add significantly to the body of knowledge and advance the concept of VBM. However, most researchers ignored an important aspect and that is, what factors influence the management to select and utilize VBM tools in their organization. This research attempts to address this knowledge gap, and answer the following questions: • What are the organization factors that could influence the selection and the use of VBM tools to measure organization performance? Then importantly,• Do the selection and the use of VBM tools improve organization performance?To examine and to properly evaluate the above questions, this research study identifies four key objectives. First, factors that influence management in selecting value based management tools to measure performance and set standards are to be identified. Second, identify the relationship between organization performance, the use of VBM and certain organization factors such as organization size, market share position and product life cycle stages. Third, study the impact of VBM on organization performance in the Thai environment. Fourth, provide information on how VBM is selected and used in the electrical and electronic industry in Thailand.The following three hypotheses were proposed to study the behaviour of variables:Hypothesis 1: Organization factors are not the determining factors for selecting and using VBM tools for performance measurement.Hypothesis 2: VBM tool selected and used by an organization do not influence its organization performance.Hypothesis 3: The relationship between organization factors and organization performance are not mediated by the VBM tools selected and used by an organization to measure organization performance.To test the hypotheses empirically, a mailed-survey questionnaire was used to collect data. A stratified sampling technique on a population of 462 Head of Finance/Accounting Departments of the Electrical and Electronics Industry of Thailand was employed. The above hypotheses were tested using several analytical techniques including regression model, correlation coefficient and factor analysis.The result of this research indicates that none of the chosen organization factors studied directly influences the selection and the use of VBM tools. In addition, the findings indicated a significant relationship between independent variables, which are organization size and market share position. But these two factors do not establish significantly relationship with the VBM or an organization performance. Further, although the product life cycle stage was not a factor that influenced the selection and the use of VBM tools, it showed a significant negative relationship with organization performance. This was regardless of whether or not the organization selected and used VBM tools. This indicates that the selection and the use of VBM tools are less preferable when the product of an organization is at the early stages such as emerging and growth stages. On the other hand, VBM tools are more preferred by an organization when its product reaches maturity. Finally, these research findings demonstrate that the selection and the use of VBM tools are significantly related to an improvement in organization performance. In other words, the performance of an organization improved with the use of the VBM tool.It is believed that this research is a first attempt to delineate factors that influence management to select and utilize VBM tools in their organizations. One nation, Thailand and one Industry, the electrical and electronic industry were used as the laboratory to test the hypotheses. It is hoped that future research will replicate this study in other industries and countries that would help to confirm the results of this study. Such studies will not only substantiate this research but also offer new insights into understanding the factors influencing the selection and the use of VBM tools. Different organizational factors, different performance measurement tools, and/or different methodologies in conducting the research showed further contribute to knowledge in this area. The research opportunities are considerable, especially in relation to cross-country comparisons based on performance measurements, using VBM tools and it is this type of research that will improve our understanding of the subject and lead to adoption of these measures in organizations.
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An empirical study into factors influencing the use of value-based management toolsSakunasingha, Benjalux Unknown Date (has links)
For management to perform its functions of planning, organizing, leading and controlling effectively, a control process has to be in place. This control process should incorporate a target or standard measures and compares performance with the standard, evaluates results and takes any necessary corrective action. Hence, the introduction of the control process, including the measurement and evaluation of performance, has been recognized as a significant progression to ensure organizations achieve their objectives and goals.There are a number of performance measurement tools for management to select but one that stands out as possibly the preferred method is Value-based management (VBM). Value-based management, a relatively new concept, offers management a better way to measure performance in today’s business environment. The application of VBM links business strategy, finance, performance measurement and management processes all together to create value. VBM tells how the value of an organization is maximized, while developing corporate value is the best long-term measure to show how good the present management is doing its job. Therefore, VBM indicates the current situation as well as future prospects of an organization. Further, VBM helps managers and employees to obtain a sharper focus of the corporate vision and objectives based on one leading measurement indicator – that is to enhance corporate value. Unlike many performance measurement tools that may focus on many objectives, which may cause the lack of single focus for accountability for shareholder value, VBM provides a clearer objective focusing on the financial objectives across the organization. More importantly, VBM includes the cost of all capital required, while many performance measurement tools still provide incomplete information about cost.The purpose of this research is to study what organization factors influence the choice of performance measurement tools, such as VBM selected by management. This research also studies the manner in which the selection and the use of VBM might affect the performance of organizations in Thailand. A number of studies were made in the past dealing with the effectiveness of VBM.These studies analyzed how VBM assisted management in their administration and measurement of organizational activities. These researches add significantly to the body of knowledge and advance the concept of VBM. However, most researchers ignored an important aspect and that is, what factors influence the management to select and utilize VBM tools in their organization. This research attempts to address this knowledge gap, and answer the following questions: • What are the organization factors that could influence the selection and the use of VBM tools to measure organization performance? Then importantly,• Do the selection and the use of VBM tools improve organization performance?To examine and to properly evaluate the above questions, this research study identifies four key objectives. First, factors that influence management in selecting value based management tools to measure performance and set standards are to be identified. Second, identify the relationship between organization performance, the use of VBM and certain organization factors such as organization size, market share position and product life cycle stages. Third, study the impact of VBM on organization performance in the Thai environment. Fourth, provide information on how VBM is selected and used in the electrical and electronic industry in Thailand.The following three hypotheses were proposed to study the behaviour of variables:Hypothesis 1: Organization factors are not the determining factors for selecting and using VBM tools for performance measurement.Hypothesis 2: VBM tool selected and used by an organization do not influence its organization performance.Hypothesis 3: The relationship between organization factors and organization performance are not mediated by the VBM tools selected and used by an organization to measure organization performance.To test the hypotheses empirically, a mailed-survey questionnaire was used to collect data. A stratified sampling technique on a population of 462 Head of Finance/Accounting Departments of the Electrical and Electronics Industry of Thailand was employed. The above hypotheses were tested using several analytical techniques including regression model, correlation coefficient and factor analysis.The result of this research indicates that none of the chosen organization factors studied directly influences the selection and the use of VBM tools. In addition, the findings indicated a significant relationship between independent variables, which are organization size and market share position. But these two factors do not establish significantly relationship with the VBM or an organization performance. Further, although the product life cycle stage was not a factor that influenced the selection and the use of VBM tools, it showed a significant negative relationship with organization performance. This was regardless of whether or not the organization selected and used VBM tools. This indicates that the selection and the use of VBM tools are less preferable when the product of an organization is at the early stages such as emerging and growth stages. On the other hand, VBM tools are more preferred by an organization when its product reaches maturity. Finally, these research findings demonstrate that the selection and the use of VBM tools are significantly related to an improvement in organization performance. In other words, the performance of an organization improved with the use of the VBM tool.It is believed that this research is a first attempt to delineate factors that influence management to select and utilize VBM tools in their organizations. One nation, Thailand and one Industry, the electrical and electronic industry were used as the laboratory to test the hypotheses. It is hoped that future research will replicate this study in other industries and countries that would help to confirm the results of this study. Such studies will not only substantiate this research but also offer new insights into understanding the factors influencing the selection and the use of VBM tools. Different organizational factors, different performance measurement tools, and/or different methodologies in conducting the research showed further contribute to knowledge in this area. The research opportunities are considerable, especially in relation to cross-country comparisons based on performance measurements, using VBM tools and it is this type of research that will improve our understanding of the subject and lead to adoption of these measures in organizations.
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A study of the relationships between managers' job-related affective well-being, intrinsic job satisfaction and performanceHosie, Peter January 2003 (has links)
[Truncated abstract. Please see the pdf version of the abstract for the complete text.] This study examines the 'happy-productive worker' thesis, by investigating the impact of job-related affective well-being and intrinsic job satisfaction on managers' performance. The fundamental goal of the research was to establish which indicators of managers' affective well-being and intrinsic job satisfaction predict dimensions of their contextual and task performance. A critique was undertaken of the substantial literature on affective well-being, intrinsic job satisfaction and managers' performance. Key theoretical developments were integrated to provide linkages between the conceptual bases of these constructs. Warr's Vitamin Model was identified as the most comprehensive synthesis of research and theories into affective well-being. Evidence has emerged to suggest that managers' job performance comprises both contextual and task performance domains. Decades of research have been unable to establish a strong link between job satisfaction and performance. Affect has rarely been used as a predictor of managers' job performance outcomes. Despite mixed empirical evidence, there is support in the literature to suggest that a relationship exists between affective well-being, intrinsic job satisfaction and managers' performance. A series of ancillary research questions, underscoring the main goal of the study, were developed from the gaps identified in the literature to establish if there was an association between managers' affective well-being, intrinsic job satisfaction and their contextual and task performance. To what extent does affective well-being and intrinsic job satisfaction determine different dimensions of managers' contextual and task performance? Does the construct of managers' performance consist of the two dimensions, contextual and task performance? Does positive affective well-being result in enhanced managers' performance, and is poor affective well-being detrimental to managers' performance? These research questions were formed into hypotheses for testing. Questionnaire items were derived from the literature to establish the affective well-being and intrinsic job satisfaction scales. Managers' contextual and task performance scales were developed through an analysis of the literature. Questionnaire items were further refined using feedback from expert reviewers and a pilot survey. A cross-sectional survey was administered to managers (n=1,552) from a range of occupational groupings in 19 Western Australian private, public, and third sector organisations. A total of 400 useable questionnaires was returned, representing a response rate of 26%. Self-report data were used to measure affective well-being and intrinsic job satisfaction, while superiors' ratings provided an evaluation of managers' contextual and task performance. An empirical methodology was used to test the hypotheses to enable the research questions to be answered and to suggest a Partial Model of Managers' Affective Well-being, Intrinsic Job Satisfaction and Performance. Answering the research questions required the development of an instrument to measure the structure of managers' contextual and task performance. An 8- dimensional measurement model of managers' performance, derived from the survey data, was tested by exploratory and confirmatory factor analysis to differentiate the structure of managers' contextual and task performance. The performance construct was operationalised in terms of four contextual dimensions (Endorsing, Helping, Persisting, Following) and four task dimensions (Monitoring, Technical, Influencing, Delegating). These dimensions were confirmed through multi-sample analysis and cross-validation techniques of managers' and superiors' ratings (n = 200 and n = 125). Canonical correlation and standard multiple regression were used to analyse the linear combination of managers' affective well-being and intrinsic job satisfaction with contextual and task performance. Indicators of affective wellbeing and intrinsic job satisfaction were found to predict dimensions of managers' performance, irrespective of whether the performance scores were from self-report or superiors' ratings. A large amount of the variance of managers' performance was explained by affective well-being and intrinsic job satisfaction. Affective well-being selfreport (Positive Affect, Intrinsic Job Satisfaction) was found to be positively associated with a dimension of superiors' reports on task performance (Influencing). Positive associations for dimensions of affective well-being selfreport (Positive Affect, Anxiety and Relaxation) were also found to be negatively associated with dimensions of superiors' reports on managers' task performance (Monitoring) and contextual performance (Following) that was also negatively associated with the task performance dimension (Technical). As predicted, positive affective well-being was related to enhanced managerial performance, whereas diminished affective well-being indicated poorer performance.
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Essays in empirical finance /Novikov, Dmitry. January 2004 (has links) (PDF)
Ill., Northwestern Univ., Diss.--Zugl.: Evanston, 2004. / Kopie, ersch. im Verl. UMI, Ann Arbor, Mich. - Enth. 2 Beitr.
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Performance-Messung, Erwartungsänderungen und Analystenschätzungen : theoretische Konzeption und empirische Umsetzung /Krotter, Simon. January 1900 (has links)
Zugleich: Diss. Regensburg, 2008. / Literaturverz.
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Wertorientierte Steuerung multidivisionaler Unternehmen über Residualgewinne /Bauer, Georg. January 1900 (has links)
Zugleich: Diss. Regensburg, 2008. / Literaturverz.
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Performance-Messung und Copula-Funktionen : eine Synthese /Schulz, Martin. January 2008 (has links)
Zugl.: Augsburg, Universiẗat, Diss., 2008.
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