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  1. A multinomial and rank-ordered logit model with inter- and intraindividual heteroscedasticity
    Author: Castelein, Anoek; Fok, Dennis; Paap, Richard
    Published: [2020]
    Publisher:  Tinbergen Institute, Amsterdam, The Netherlands

    The heteroscedastic logit model is useful to describe choices of individuals when the randomness in the choice-making varies over time. For example, during surveys individuals may become fatigued and start responding more randomly to questions as the... more

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    Location:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signature:
    DS 432
    Inter-library loan:
    No inter-library loan

     

    The heteroscedastic logit model is useful to describe choices of individuals when the randomness in the choice-making varies over time. For example, during surveys individuals may become fatigued and start responding more randomly to questions as the survey proceeds. Or when completing a ranking amongst multiple alternatives, individuals may be unable to accurately assign middle and bottom ranks. The standard heteroscedastic logit model accommodates such behavior by allowing for changes in the signal-to-noise ratio via a time-varying scale parameter. In the current literature, this time-variation is assumed equal across individuals. Hence, each individual is assumed to become fatigued at the same time, or assumed to be able to accurately assign exactly the same ranks. In most cases, this assumption is too stringent. In this paper, we generalize the heteroscedastic logit model by allowing for differences across individuals. We develop a multinomial and a rank-ordered logit model in which the time-variation in an individual-specific scale parameter follows a Markov process. In case individual differences exist, our models alleviate biases and make more efficient use of data. We validate the models using a Monte Carlo study and illustrate them using data on discrete choice experiments and political preferences. These examples document that interand intra-individual heteroscedasticity both exist.

     
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Other identifier:
    hdl: 10419/229689
    Series: Array ; TI 2020, 069
    Subjects: Scale; Heterogeneity; Markov; Logit scaling; Logit mixture; Dynamics; Conjoint; Fatigue; Markov switching
    Scope: 1 Online-Ressource (circa 40 Seiten), Illustrationen
  2. Poesiemaschinen - Maschinenpoesie
    Author: Link, David

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    Content information
    Source: Union catalogues
    Language: German
    Media type: Dissertation
    Format: Print
    RVK Categories: AP 13550 ; CC 6900
    Subjects: Künstliche Intelligenz; Computer; Sprachverarbeitung; Literaturproduktion; Semantisches Netz; Markov-Kette
    Other subjects: Medienkunst; Textgeneratoren; Eliza; Parry; Shrdlu; Markov; Shannon; semantische Netzwerke; Computerpoesie; generative Kunst; media art; Text generators; semantic networks; computer poetry; generative art
    Scope: 243 S., Ill., graph. Darst., 29 cm
    Notes:

    Berlin, Humboldt-Univ., Diss., 2004 (Nicht für den Austausch)
  3. Poesiemaschinen - Maschinenpoesie
    Author: Link, David
    Published: 2005
    Publisher:  Humboldt-Universität zu Berlin, Berlin

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    Source: Union catalogues
    Language: German
    Media type: Dissertation
    Format: Online
    Other identifier:
    RVK Categories: AP 13550 ; CC 6900
    Subjects: Künstliche Intelligenz; Computer; Sprachverarbeitung; Literaturproduktion; Semantisches Netz; Markov-Kette; Maschine; Computer
    Other subjects: Pygmalion; Medienkunst; Textgeneratoren; Eliza; Parry; Shrdlu; Markov; Shannon; semantische Netzwerke; Computerpoesie; generative Kunst; media art; Text generators; Eliza; Parry; Shrdlu; Markov; Shannon; semantic networks; computer poetry; generative art
    Scope: Online-Ressource
    Notes:

    Dissertation, Berlin, Humboldt-Universität zu Berlin, 2004