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  • 1
    ISSN: 1436-6304
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Economics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    OR spectrum 1 (1979), S. 35-49 
    ISSN: 1436-6304
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Economics
    Description / Table of Contents: Summary The main objective of this study consists in making a contribution to overcome the crisis on the tanker-market. A simulation model has been developed to describe the specific problems of this market. The main parts of model are the demand sector, the supply sector, the capital sector, the sector of the tanker-market, and the sector of ship construction. The data used in the model are based on statistic and explorations of Intertanko, OECD, Exxon, United Nations, “Yearbook of International Trade Statistics”, Shipping Statistics and Economics etc. This simulation model is integrated into an optimization procedure. The freight rate as one of the most important variables is defined as the objective variable which is controlled (optimized) by the investment decisions of the tanker-shipowner. The Razor Search algorithm is applied to optimize the model of the tanker-market.
    Notes: Zusammenfassung Das wesentliche Ziel dieser Arbeit besteht darin, Einsichten und Entscheidungshilfen zur Bewältigung der komplexen Investitionssituation auf dem Tankermarkt zu vermitteln. Das entwickelte Simulationsmodell umfaßt den Angebots- und Nachfragesektor, den Tankermarkt- und den Schiffbausektor sowie den Kapitalsektor. Die im Modell benötigten Daten basieren auf Statistiken und Prognosen von Intertanko, OECD, Exxon, United Nations, “Jahrbuch der internationalen Handelsstatistiken”, Shipping Statistics and Economics usw. Zur Modelloptimierung wird das Simulationsmodell in eine Regelkreisstruktur integriert. Die Frachtrate wird als Zielgröße definiert und durch Investitionsentscheidungen der Tankreeder beeinflußt, die durch den heuristischen Optimierungsalgorithmus “Razor Search” in bestmöglicher Form gesteuert werden.
    Type of Medium: Electronic Resource
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