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Displaying results 1 to 7 of 7.

  1. Constraint based agents
    an architecture for constraint based modeling and local search based reasoning for planning and scheduling in open and dynamic worlds
    Author: Nareyek, Alexander
    Published: 2001
    Publisher:  Springer, Berlin ; Heidelberg ; New York ; Barcelona ; Hong Kong ; London

    Location:
    Universitätsbibliothek Augsburg
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    Technische Universität München, Universitätsbibliothek, Teilbibliotheken Garching
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    Universität der Bundeswehr München, Universitätsbibliothek
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    Universitätsbibliothek Passau
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    Universitätsbibliothek Würzburg
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    Source: Union catalogues
    Language: English
    Media type: Dissertation
    ISBN: 3540422587
    RVK Categories: SS 4800
    Series: Lecture notes in computer science ; 2062 : Lecture notes in artificial intelligence
    Subjects: Agents intelligents (Logiciels); Agents intelligents (logiciels); Jeux d'ordinateur; Programmation par contraintes; Programmation par contraintes; agent intelligent; heuristique; jeu; optimisation; ordonnancement; Computer games; Constraint programming (Computer science); Intelligent agents (Computer software); Agent <Informatik>; Computerspiel; Scheduling; Lokales Suchverfahren; Constraint-Erfüllung; Automatische Handlungsplanung
    Scope: XIV, 178 S., graph. Darst.
    Notes:

    Zugl.: Berlin, Techn. Univ., Diss., 2001
  2. Striking evidence
    the impact of railway strikes on competition from intercity bus services in Germany
    Author: Beestermöller, Matthias Gerhard; Jessen-Thiesen, Levke; Sandkamp, Alexander-Nikolai
    Published: June 2023
    Publisher:  CESifo, Munich, Germany

    This paper investigates the impact of the largest rail strikes in German history on intercity buses - a then newly liberalised market. Using unique booking data of bus services, we exploit variation in rail service cancellations across routes to show... more

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    Location:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signature:
    DS 63
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    This paper investigates the impact of the largest rail strikes in German history on intercity buses - a then newly liberalised market. Using unique booking data of bus services, we exploit variation in rail service cancellations across routes to show that the disruption in rail transport increases bus ticket sales. Crucially, the effect persists beyond the strike, indicating that travellers do not return to their originally preferred mode of transport. It is particularly pronounced for passengers travelling on weekends. The findings suggest that customers were previously under-experimenting. Beyond transportation, our results highlight the importance of service reliability, as temporary disruptions can cause customers to permanently switch to competitors.

     
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Other identifier:
    hdl: 10419/279233
    Series: CESifo working papers ; 10483 (2023)
    Subjects: experimentation; inter-modal substitution; learning; optimisation; strike; switching costs; transport
    Scope: 1 Online-Ressource (circa 37 Seiten), Illustrationen
  3. Striking evidence
    the impact of railway strikes on competition from intercity bus services in Germany
    Author: Beestermöller, Matthias Gerhard; Jessen-Thiesen, Levke; Sandkamp, Alexander-Nikolai
    Published: [2023]
    Publisher:  Kiel Institute for the World Economy, [Kiel]

    This paper investigates the impact of the largest rail strikes in German history on intercity buses – a then newly liberalised market. Using unique booking data of bus services, we exploit variation in rail service cancellations across routes to show... more

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    Verlag (kostenfrei)
    Verlag (kostenfrei)
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    Location:
    Leibniz-Institut für Wirtschaftsforschung Halle, Bibliothek
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    Location:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signature:
    DS 3
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    No inter-library loan

     

    This paper investigates the impact of the largest rail strikes in German history on intercity buses – a then newly liberalised market. Using unique booking data of bus services, we exploit variation in rail service cancellations across routes to show that the disruption in rail transport increases bus ticket sales. Crucially, the effect persists beyond the strike, indicating that travellers do not return to their originally preferred mode of transport. It is particularly pronounced for passengers travelling on weekends. The findings suggest that customers were previously under-experimenting. Beyond transportation, our results highlight the importance of service reliability, as temporary disruptions can cause customers to permanently switch to competitors.

     
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Other identifier:
    hdl: 10419/273076
    Series: Kiel working paper ; no. 2251 (June 2023)
    Subjects: Experimentation; inter-modal substitution; learning; optimisation; strike; switching costs; transport
    Scope: 1 Online-Ressource (circa 36 Seiten), Illustrationen
  4. Optimal interest rate gaps for flexible inflation targeting
    Author: Schaling, Eric; Morema, Kgotso
    Published: 13 December 2022
    Publisher:  Economic Research and Statistics Department, South African Reserve Bank, Pretoria

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    Location:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signature:
    VS 655
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Series: South African Reserve Bank working paper series ; WP, 22, 16
    Subjects: monetary policy; optimisation; monetary policy rules
    Scope: 1 Online-Ressource (circa 39 Seiten), Illustrationen
  5. Constraint based agents
    an architecture for constraint based modeling and local search based reasoning for planning and scheduling in open and dynamic worlds
    Author: Nareyek, Alexander
    Published: 2001
    Publisher:  Springer, Berlin ; Heidelberg ; New York ; Barcelona ; Hong Kong ; London

    Location:
    Freie Universität Berlin, Universitätsbibliothek
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    Staatsbibliothek zu Berlin - Preußischer Kulturbesitz, Haus Unter den Linden
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    TU Berlin, Universitätsbibliothek
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    Verbund der Öffentlichen Bibliotheken Berlins - VÖBB
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    Brandenburgische Technische Universität Cottbus - Senftenberg, Universitätsbibliothek
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    Fachhochschule Potsdam, Hochschulbibliothek
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    Universität Potsdam, Universitätsbibliothek
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    Source: Philologische Bibliothek, FU Berlin; Staatsbibliothek zu Berlin
    Language: English
    Media type: Dissertation
    ISBN: 3540422587
    RVK Categories: SS 4800
    Series: Lecture notes in computer science ; 2062 : Lecture notes in artificial intelligence
    Subjects: Agents intelligents (Logiciels); Agents intelligents (logiciels); Jeux d'ordinateur; Programmation par contraintes; Programmation par contraintes; agent intelligent; heuristique; jeu; optimisation; ordonnancement; Computer games; Constraint programming (Computer science); Intelligent agents (Computer software); Agent <Informatik>; Computerspiel; Scheduling; Lokales Suchverfahren; Constraint-Erfüllung; Automatische Handlungsplanung
    Scope: XIV, 178 S., graph. Darst.
    Notes:

    Zugl.: Berlin, Techn. Univ., Diss., 2001
  6. Simultaneity of green energy and hydrogen production
    analysing the dispatch of a grid-connected electrolyser
    Author: Schlund, David; Theile, Philipp
    Published: [2021]
    Publisher:  Institute of Energy Economics at the University of Cologne (EWI), Köln, Germany

    Hydrogen is viewed as a promising supplement in future energy systems with high penetration rates of renewable energy (RE) generation. As conversion technology between the two secondary energy carriers, hydrogen and electricity, particularly... more

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    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
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    DS 5
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    Hydrogen is viewed as a promising supplement in future energy systems with high penetration rates of renewable energy (RE) generation. As conversion technology between the two secondary energy carriers, hydrogen and electricity, particularly grid-connected electrolysers, have a role to play. During the market ramp-up, grid-connected electrolysers could cause unwanted side-effects through inducing additional CO2 emissions from the power sector. Since the reduction of CO2 remains the overall goal, a simultaneity obligation between RE generation and hydrogen production for the dispatch are being discussed to limit associated emissions from an electrolyser’s energy consumption. The paper presents a model framework including a mixed-integer linear program and a Markov chain Monte Carlo simulation for stochastic electricity market prices to assess a grid-connected electrolyser’s dispatch. Within a case study representing the current state of the German electricity market, the effect of simultaneity on the electrolyser’s dispatch is assessed. The results show that the simultaneity reduces the CO2 emission intensity of hydrogen while constraining the profits from cost-optimal dispatch. The simultaneity represents implicit storage of the RE generation’s green characteristic, which allows the electrolyser to shift RE production to low price periods. Depending on the simultaneity interval, this affects both the average contribution margin and the risk of the electrolyser dispatch. Regulations aiming at the interface between hydrogen and electricity must consider the trade-off between the economic viability of electrolysers, fullload hours, and the associated emissions of electricity-based hydrogen.

     
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Other identifier:
    hdl: 10419/249184
    Series: EWI working paper ; no 21, 10 (December 2021)
    Subjects: hydrogen; power-to-gas; renewable energy support; optimisation
    Scope: 1 Online-Ressource (circa 32 Seiten), Illustrationen
  7. A structural model of coronavirus behaviour for testing on data behaviour
    Author: Meenagh, David; Minford, Patrick
    Published: January 2021
    Publisher:  Cardiff Business School, Cardiff University, Cardiff, United Kingdom

    We fit the logistic function, the reduced form of epidemic behaviour, to the data for deaths from Covid-19, for a wide variety of countries, with a view to estimating a causal model of the covid virus' progression. We then set out a structural model... more

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    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signature:
    DS 159
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    We fit the logistic function, the reduced form of epidemic behaviour, to the data for deaths from Covid-19, for a wide variety of countries, with a view to estimating a causal model of the covid virus' progression. We then set out a structural model of the Covid virus behaviour based on evolutionary biology and social household behaviour; we estimated and tested this by indirect inference, matching its simulated logistic behaviour to that found in the data. In our model the virus' progression depends on the interaction of strategies by household agents, the government and the virus itself as programmed by evolution. Within these interactions, it turns out that there is substitution between government topdown direction (such as lockdown) and social reaction to available information on the virus'behaviour. We also looked at experience of second waves, where we found that countries successfully limited second waves when they had had longer first waves and followed policies of localised reaction in the second.

     
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Other identifier:
    hdl: 10419/250314
    Series: Cardiff economics working papers ; no. E2020, 4
    Subjects: Coronavirus; Sterblichkeit; Lockdown; Strukturmodell; Schätzung; Großbritannien; Schweden; Welt; coronavirus; Covid-19; evolution; optimisation; indirect inference; lockdown
    Scope: 1 Online-Ressource (circa 34 Seiten), Illustrationen