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Name
Elektronische Publikationen der Wirtschaftsuniversität Wien
Type
Institutional Repository
Items
2192 Publications
Compatibility
OpenAIRE 3.0 (OA, funding)
OAI-PMH
http://epub.wu.ac.at/cgi/oai2
More information
Detailed data provider information (OpenDOAR)

 

  • Temporal dependence in longitudinal paired comparisons

    This paper develops a new approach to the analysis of longitudinal paired comparison data, where comparisons of the same objects by the same judges are made on more than one occasion. As an alternative to other recent approaches to such data, which are based on Kalman filter- ing, our approach treats the problem as one of multivariate multinomial data, allowing dependence terms between comparisons over time to be incorporated. The resulting model can be fitted as a Poisson log-linear model an...

    Non-linear versus non-gaussian volatility models in application to different financial markets

    We used neural-network based modelling to generalize the linear econometric return models and compare their out-of-sample predictive ability in terms of different performance measures under three density specifications. As error measures we used the likelihood values on the test sets as well as standard volatility measures. The empirical analysis was based on return series of stock indices from different financial markets. The results indicate that for all markets there was found no improveme...

    Exploratory market structure analysis. Topology-sensitive methodology.

    Given the recent abundance of brand choice data from scanner panels market researchers have neglected the measurement and analysis of perceptions. Heterogeneity of perceptions is still a largely unexplored issue in market structure and segmentation studies. Over the last decade various parametric approaches toward modelling segmented perception-preference structures such as combined MDS and Latent Class procedures have been introduced. These methods, however, are not taylored for qualitative ...

    Die Rechtsstellung ausländischer Personen in der Republik Slovenien

    Der Autor untersucht die Rechtsstellung ausländischer Personen im Recht der Republik Slowenien. Dem ausländischen Investor wird ein Überblick über alle ihn betreffenden Sonderregelungen geboten. Sonderbestimmungen für Ausländer finden sich hauptsächlich im bank- und devisenrechtlichen Bereich, im Gesetz über ausländische Investitionen sowie im Gesellschaftsrecht. Eine gesetzliche Sonderregelung für den Grunderwerb durch Ausländer ist in Vorbereitung. Der Autor bespricht den Entwurf zu diesem ...

    Cointegration and exchange market efficiency. An analysis of high frequency data.

    A cointegration analysis on a triangle of high frequency exchange rates is presented. Market efficiency requires the triangle to be cointegrated and the cointegration term to be a martingale difference sequence. We find empirical evidence against market efficiency for very short time horizons: The cointegration term does not behave like a martingale difference sequence. In an out-of-sample forecasting study the cointegrated vector autoregressive (VAR) model is found to be superior to the naiv...
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