In der vorliegenden Arbeit werden Modelle für die Portfolio-Optimierung analysiert und implementieren. Dabei stehen quantitative Methoden der Fuzzy-Logik im Vordergrund. Zunächst wird das klassische Portfolio-Modell nach Markowitz dargestellt und dessen Resultate für einen Vergleich mit einem...

A methodology is proposed for evaluating the level of service within an airportlandside system from the passenger's point of view using linguistic servicecriteria. The new concept of level of service for a transport system, particularlywithin the airports indicates that there must be strong...

During recent years, the supply chain performance management has become a key strategic consideration. Many manufacturers seek to collaborate with their suppliers and customers in order to upgrade their competitiveness and management performance. Because of complexity, uncertainty and vagueness...

This paper introduces a unified model for organizational change that is designed to help change analysts think through the decision-making process. Most organizational leaders do not manage change effectively because they fail to acquire the minimum amount of information necessary to make a...

Purpose: The purpose of this paper is to introduce and review the papers contained in the special issue on accounting and organizational change in the public sector and reflects on their key themes and findings - design, methodology and approach. The paper draws on general desk research and the...

This slide presentation describes the origin, approach and deliverables of course Org. Dynm.633, on “Leadership from the Middle” (LftM). Course participants were middle managers taking responsibility without authority for producing results in uncertain organizational environments, under high...

Projects are an increasingly popular approach to instituting organizational change. But do project managers possess the skills needed to realize significant change? This paper examines a survey of 134 project professionals who have participated in organizational change projects to determine the...

Organizational changes are often achieved through disciplined project management. Change management and project management are two disciplines that draw upon different theoretical frameworks but rely on each other to achieve an organizational goal. While organizational change deals with...

In today’s business environment it is widely accepted that innovation is key to improving theeconomic performance of companies (Van der Panna et al. 2003) and for achieving andsustaining a competitive advantage in the market place.Based on the definition of radical innovation, a radical...

This study recognises that innovation and renewal is instrumental in gaining competitiveadvantage. However, large firms often face a renewal dilemma. Despite the fact that manyfirms recognise the need for innovation and renewal, they find it challenging to implementinnovation. Thus, the need for...