A Mobile Ad hoc Network (MANET) is typically a set of wireless mobile nodes enabled to communicate dynamically in a multi-hop manner without any pre-existing network infrastructure. MANETs have several unique characteristics in contrast to other typical networks, such as dynamic topology, intermittent connectivity, limited resources, and lack of physical security. Securing MANETs is a critical issue as these are vulnerable to many different attacks and failures and have no clear line of defence. To develop effective security services in MANETs, it is important to consider an appropriate trust infrastructure which is tailored to a given MANET and associated application. However, most of the proposed trust infrastructures do not to take the MANET application context into account. This may result in overly secure MANETs that incur an increase in performance and communication overheads due to possible unnecessary security measures. Designing and evaluating trust infrastructures for MANETs is very challenging. This stems from several pivotal overlapping aspects such as MANET constraints, application settings and performance. Also, there is a lack of practical approaches for assessing security in MANETs that take into account most of these aspects. Based on this, this thesis provides a methodological approach which consists of well-structured stages that allows the exploration of possible security alternatives and evaluates these alternatives against dimensions to selecting the best option. These dimensions include the operational level, security strength, performance, MANET contexts along with main security components in a form of a multidimensional security conceptual framework. The methodology describes interdependencies among these dimensions, focusing specifically on the service operational level in the network. To explore these different possibilities, the Server-based Security Architectures for MANETs (SSAM) simulation model has been created in the OMNeT++ simulation language. The thesis describes the conceptualisation, implementation, verification and validation of SSAM, as well as experimentation approaches that use SSAM to support the methodology of this thesis. In addition, three different real cases scenarios (academic, emergency and military domains) are incorporated in this study to substantiate the feasibility of the proposed methodology. The outcome of this approach provides MANET developers with a strategy along with guidelines of how to consider the appropriate security infrastructure that satisfies the settings and requirements of given MANET context.

Information explosion, globalisation and the reduction of trade barriers have led to the emergence of global production markets and broader access to a range of products for customers. For manufacturers this has led to managing fragmented networks to deal with more polarised markets with wider variety of products at reduced costs and shorter lifecycles in an increasingly competitive environment. This coupled with the pressure to create shareholder value calls for a dynamic approach in the design and management of their supply chains. Market responsiveness is ability to anticipate and react purposefully within appropriate timescale to changes in the market place in order to maximise shareholder value and customer value. The aim of this research is to develop a model for market responsiveness that will enable organisations to deal with the changing needs of the market. To achieve this aim the research methodology was designed to primarily collect qualitative evidence from three distinct supply chains within different industrial contexts. Contrasting across these contexts has helped to determine if the model is generic enough to be applicable in other contexts. The findings were that value gaps exist between interfaces within organisations and their supply chains. At such gaps value is either created, maintained or lost. Value gaps are the primary reasons why organisational tensions exist as the entities involved are focused on conflicting strategic objectives that lead to behavioural misalignment and ultimately poor response. Therefore the research concludes within a market responsiveness model within which there are frameworks for business performance management and managing the value execution point of which maximum shareholder value and customer value can be created.

Audit, inspection and quality assurance are aspects of a broader but rapidly evolving "performance measurement"; which is part of the performance management (PM) in public administration. The effectiveness of PM and its public reporting are not established in all contexts and applications. In some contexts, PM public reporting is used along with other measures such as inter-organisational networks to reform public service provision. In such contexts, how PM reporting help stakeholders in a network? There have been different conceptual frameworks and models explored in the literature that aim to explain how networked governance works. None of the available models, however, addresses the impact of an outside performance measurement tools. The review of literature, on the perspective of inter-organisational network, shows a need to explore more deeply what is going on within the network, and how the network interacts with its boundaries and outside context. Therefore, the overall objective for this research is to propose a conceptual model that can explain the impact of externally reported PM, an example of which is independent mandatory quality assurance (QA), on inter-organisational networks dynamics and outcomes. The research starts by building an ‘initial theoretical conceptual’ model based on theoretically derived influences of PM on the dynamics and outcomes of a network. The research uses qualitative case study strategy, using data from four cases, all linked with national education and training reform initiatives in the Kingdom of Bahrain. Participants representing the four cases were interviewed using semi-structured interview protocol. Data collected were analysed through two-order thematic analyses, and the results were used to revise the initial model and develop a novel conceptual model for this purpose. The results of the analyses contribute to existing theories by proposing four themes, covered by four propositions, in which QA public reporting impacts the network dynamics – namely on accountability, engagement and trust, power and control; and collaborations and cooperation. The impact on the network dynamics may lead to the achievement of some collaborative advantages, after going through the resistance of some collaborative inertias that may exist in the system and context in which network operates. In summary, QA reporting, in the case of this research, is an external variable to the network setting which activates members and offers a medium of change around members, within a network as well as outside it. The researcher introduces the term ‘network catalyst’ to describe the role of QA reporting in this context.

This thesis explores the question of whether Performance Management Systems (PMS) contribute to the managing of Executive Agencies (EAs). Exploring this question empirically in the context of the Jamaican public sector, it develops a realist methodology with methods, which are applied to the study of four Jamaican Executive Agencies (JEAs). Primary research conducted in 2011 through semi-structured interviews is combined with secondary research that considers both official government and unofficial resources such as reports (official) and newspapers (unofficial). The thesis is one of very few studies to focus on JEAs, one of only two studies to explore PMS in JEAs, and the first to make a focus on PMS in JEAs the primary object of study. It therefore contributes to a very limited literature, which is, therefore, both a strength of the thesis insofar as it breaks new ground, and also a challenge. It is a challenge because the lack of available literature on JEAs with which to relate. In order to address this lack, drawing on Historical Institutionalism (HI), Path Dependency (PD) and Policy Transfer theories, it argues that it is reasonable to draw on British literature owing to the historical influences of Britain on Jamaica, their institutional and constitutional contexts and, particularly, because the agencification of the Jamaican public sector has been based on the British Next Steps Model. From reviewing the British literature an Integrative Conceptual Framework (ICF) is developed. This framework incorporates those factors deemed as critical to the development of PMS in the organisational performance management literature, (that is, both management and public management), in order to harness the structural, procedural, situational and behavioural aspects discussed in the existing literature into a single framework. The ICF is at the heart of the thesis because it influences the methods used in conducting the primary research, and the presentation of research findings. It is therefore a major contribution of the thesis, and it is recommended that this framework could be applied in other contexts (e.g. in the private sector) and locations (e.g. in countries other than Jamaica) to analyse the use of PMS for managing. By triangulating the primary research findings with secondary data, that is, existing literature on the four case studies, the ICF is applied to generate a longitudinal aspect to the study. It is also found that PMS do contribute to managing JEAs, and that the use of PMS in JEAs has evolved positively over time for managing JEAs. The research findings discuss how PMS contributes to managing the four JEAs in terms of the different components of the ICF. Based on this, the study is able to add to existing academic literature, and make recommendations to practitioners. The contribution of this thesis to literature therefore incorporates both a conceptual and theoretical aspect, and also has a practical element. Both of these, it claims, could form the basis for further research.

The Master's Thesis deals with an examination of the career management within an organization, especially in the managerial structure, and the related themes, such as performance and potential appraisal, and talent management. The aim of the work is to determine the current trends in this field of human resources management based on a survey of Czech and foreign literature and to analyze the performance of these activities at Unicorn Systems company. The theoretical part describes the basic assumptions and theoretical approaches necessary for understanding the relevant themes. In the practical part, the practice at Unicorn Systems together with an analysis of Czech and foreign literature on best practices in this area are analyzed. The outcomes of the work should help the company to take such measures which would contribute to improving the business operation.

The master thesis deals with the performance evaluation of the selected company according to the multi-criteria model START PLUS. Based on the assessment of key performance indicators in individual areas a scoring is created in order to identify strengths and areas for improvement. The last chapter of this thesis is dedicated to proposal of concrete measures and recommendations to increase the performance of the analyzed company.

Performance management, which is a core element of the New Public Management (NPM), has maintained its significance both in academic and practical perspectives for many scholars and governments, although enthusiasm for the NPM has waned since the late 1990s. There have been debates on the universality of the NPM, and the divergence argument regards the practices and trajectories of specific reforms as being shaped by the different characteristics of politico-administrative and cultural systems. Through the comparative study of performance management based on the case studies in the UK and South Korea, this thesis demonstrates that the processes of a NPM-type reform can be similar in spite of differences of politico-administrative and cultural characteristics. It examines performance management systems in the two countries in terms of the speed and nature of reform, resistance to reform, use of performance information and importance as a control mechanism. The comparison is also useful for lesson-drawing for the improvement of current systems. This research has been conducted by undertaking a wide literature review, including journal articles and government papers, and by conducting semi-structured interviews. To undertake analysis and comparison of performance management systems, the thesis looks at the Public Service Agreements (PSAs) in the UK and the Government Performance Evaluation (GPE), Financial Performance Management System (FPMS) and Performance Agreements in Korea. Case studies have been carried out with the Department of Health in the UK and the Ministry of Government Administration and Home Affairs in Korea. The PSA system has problems generated by excessive central control and lack of participation of professionals and front-line staff. In Korea all three performance management systems are based on evaluation. Departments used evaluation as a tool of exercising control, which resulted in duplication of evaluation and excessive bureaucracy. Focus on the process-oriented evaluation has undermined the value of the systems for improving public services. Whilst the two countries display differences in the fundamental approach to performance management, there are similarities in the detailed practices and trajectories in the operation of the systems. The reason for these similarities may be attributed to the strong leadership of top politicians in both countries.

Le sujet de thèse s’intéresse à la chimiothérapie à domicile qui est l’effet combiné de l’augmentation des patients atteints du cancer et du succès de l’hospitalisation à domicile. Nous proposons à travers ce mémoire de thèse des solutions appropriées au pilotage de la chaîne de prise en charge de la chimiothérapie à domicile permettant d’évaluer et d’améliorer la performance de celle-ci. La première partie présente le contexte socio-économique de la chimiothérapie à domicile, ainsi que les contraintes réglementaires et organisationnelles pour sa mise en œuvre. La deuxième partie précise les spécificités d’une chaîne de prise en charge de la chimiothérapie à domicile et les problématiques liées à cette chaîne basée sur une revue de la littérature. La troisième partie se focalise sur la modélisation des processus de prise en charge de la chimiothérapie à domicile à partir d’un important travail de terrain. Un modèle générique de la chimiothérapie à domicile est dégagé du travail de modélisation qui constitue le fondement d’une proposition de classification des pratiques de la chimiothérapie à domicile. Un diagnostic individuel et comparatif des différentes familles d’approches sont également présentés dans cette partie. La quatrième partie présente les différentes applications développées pour évaluer et améliorer la performance de la chaîne de prise en charge de la chimiothérapie à domicile. En conclusion, cette thèse apporte une première contribution à la généralisation de la pratique de la chimiothérapie à domicile et au développement d’outils d’aide aux pilotages destinés à l’amélioration de sa réalisation / This thesis deals with chemotherapy at home which is the fruit of increasing cancer patients and successful development of home care services. We present in this thesis appropriate solutions to evaluate and improve management performance of chemotherapy at home network. The first part concerns the socioeconomic context of chemotherapy at home, as well as its legal and organizational constraints. The second part outlines specificities and related issues of chemotherapy at home based on a literature review. The third part focuses on chemotherapy at home process modeling depending on an important field work. A generic model of chemotherapy at home is abstracted, which is the basis of a chemotherapy at home practices classification that we proposed. An individual analysis and a comparative analysis of chemotherapy at home approaches are also proposed in this part. The fourth part presents different solutions that we developed to evaluate and improve the management performance of chemotherapy at home network. In conclusion, this thesis provides an initial contribution to promote chemotherapy at home practices and to develop management support tools for its implementation

There has been growing interest in the field of business management in developing methods to improve management competency. One popular management development method has been executive coaching, but because of the unique needs of business executives, executive coaches are constantly looking for new and more effective methods to work with business executives’ life, career, physical, and psychological problems. There has not been an agreed upon solution discovered to solve this problem. On the one hand, it was proposed that there is a need for executive coaches to employ psychotherapeutic methods in coaching to meet the psychological demands of business executives. But on the other hand, there are numerous issues related to standardizing executive coaching methods, qualifying executive coaches, and resolving ethical dilemmas. The author of this thesis views this issue as an over expectation of society of individuals in positions of power and responsibility. This thesis uses social theories to explore the expectations behind the high demands on the performance of business executives, and to illuminate the degree to which executive coaching engages psychotherapy. The findings of this study show that certain themes such as business skills, leadership, self-development, success, interpersonal skills, and achieve work-life balance dominates the advertisements of executive coaching professionals. These advertisements also use rhetorical devices to make these skills seem attractive and important to possess, which inevitably impacts on the view of self of executives and stimulates their desire to self- improve. It was also found that 21.26% of the advertised executive coaching services could be promoted by psychotherapists instead.

Universiẗat, Diss.--St. Gallen, 2007. / Text in dt. Sprache. - Zsfassung in engl. und dt. Sprache.