OPUS 4 | Wirtschaftswissenschaften

Vertrauensbildende Maßnahmen in Grid-Ökonomien (2007)

Thomas Reichmann

Mit zunehmender Verbreitung von Grid-Infrastrukturen in Unternehmen gewinnt die Frage nach Vertrauen immer mehr an Bedeutung. In einer offenen, heterogenen, sich ständig verändernden Umgebung, wie z.B. der Grid-Ökonomie ist hundertprozentige Sicherheit nicht zu gewährleisten; aus diesem Grund ist Vertrauen in den Handelspartner notwendig. Ziel dieser Arbeit ist es, bereits bestehende vertrauensbildende Maßnahmen aus dem Bereich der Informationsökonomie bezüglich ihrer Übertragbarkeit auf GridÖkonomien kritisch zu analysieren. Dabei sollen ausgewählte Instrumente zur Überwindung von Unsicherheit durch Informationsbereitstellung vorgestellt und diese jeweils anschließend auf ihre Anwendbarkeit in Grid-Ökonomien untersucht werden.

Incentive Compatibility and Efficiency in the Contractual Insurer-Provider Relationship - Economic Theory and Practical Implications: The Case of North Carolina (2007)

Andreas Schmid

The paper is concerned with the efficient organization of contractual relationships between health insurers and providers. An introduction to relevant aspects of contract theory is followed by their adaptation to the characteristics of the health care system. The focus lies on an ex ante alignment of incentive structures as well as on an efficient handling of conflicts of interest once a contract has been sealed (ex post). The theory based conclusions are contrasted with the situation in North Carolina, USA. Due to the implemented regulation, this state is well suited to serve as a reference. An excursus to the American health care system provides the reader with the necessary background. A discussion of results completes the paper.

Tagungsband zum Doctoral Consortium der WI2007 (2007)

Torsten Eymann

Bereits seit Anfang der 1990er Jahre wird jungen Wissenschaftlern im Vorfeld der Tagung "Wirtschaftsinformatik" ein Doctoral Consortium als unterstützendes Forum angeboten. Diese Einrichtung wurde auch zur größten internationalen Konferenz der Wirtschaftsinformatik, der WI 2007 in Karlsruhe fortgeführt. Dieser Band fasst die zum Vortrag ausgewählten Beiträge zusammen.

Simulator Development - Annual Report Year 3 (2007)

Werner Streitberger Torsten Eymann Floriano Zini Björn Schnizler Hong Tuan Kiet Vo

This document describes the progress of the simulator development with in the third year of the CATNETS project. The refinement of the simulator as well as a detailed guide to conducting simulations is presented.

Performance Evaluation - Annual Report Year 3 (2007)

Georg Buss Nils Parasie Daniel Veit Michele Catalano Pablo Chacin Isaac Chao Felix Freitag Leandro Navarro Omer F. Rana Liviu Joita Björn Schnizler Werner Streitberger Torsten Eymann

This report describes the work done and results obtained in third year of the CATNETS project. Experiments carried out with the different configurations of the prototype are reported and simulation results are evaluated with the CATNETS metrics framework. The applicability of the Catallactic approach as market model for service and resource allocation in application layer networks is assessed based on the results and experience gained both from the prototype development and simulations.

CATNETS Final Activity Report (2007)

Werner Streitberger Torsten Eymann

This paper presents the final activity report of the CATNETS project. It summarizes the project objectives, the contractors involved, the work performed and the final results. A description of the dissemination activities concludes the report.

Proof-of-Concept Application - Annual Report Year 3 (2007)

Oscar Ardaiz Pablo Chacin Isaac Chao Felix Freitag Leandro Navarro Liviu Joita Omer F. Rana Werner Streitberger Sebastian Hudert Torsten Eymann

In this report the progress of developing the proof-of-concept application in the CATNETS project is presented. Hence the development of the necessary performance measuring components as well as a distributed application to execute on economic-enhanced Grid/P2P platforms and middleware integration are described.

A Policy Framework including Trust and Reputation in Grid Environments (2007)

Torsten Eymann Raimund Matros Stefan König

This paper examines the role of policies in different grid environments. A Grid technology becomes standardized and stable, various business models are envented and increasingly applied, and economic implications can be observed.Asymmetrically distributed information may allow for opportunistic behaviour of service providers or users who exploit the information gap between providers and consumers on the quality of services.

Theoretical and Computation Basis for CATNETS - Annual Report Year 3 (2007)

Daniel Veit Georg Buss Björn Schnizler Dirk Neumann Werner Streitberger Torsten Eymann

In this document the developments in defining the computational and theoretical framework for economical resource allocation are described. Accordingly the formal specification of the market mechanisms, bidding strategies of the involved agents and the integration of the market mechanisms into the simulator were refined.

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