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Gruppenvergleiche bei hypothetischen Konstrukten : die Prüfung der Übereinstimmung von Messmodellen mit der Strukturgleichungsmethodik
Temme, Dirk (contributor); Hildebrandt, Lutz (contributor) - 2008
Comparing groups with respect to hypothetical constructs requires that the measurement models are equal across groups. Otherwise conclusions drawn from the observed indicators regarding differences at the latent level (mean differences, differences in the structural relations) might be severly...
Persistent link: https://www.econbiz.de/10003727528
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Planning of new products technological mastering and its influence on economic indicators of companies
Novikova, Nina V.; Barmuta, Karine A.; Kaderova, Venera A. - In: International journal of economics and financial issues … 6 (2016) 8, pp. 65-70
Persistent link: https://www.econbiz.de/10011783662
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Consumer price adjustment under the microscope : Germany in a period of low inflation
Hoffmann, Johannes (contributor);  … - 2006
We analyse the adjustment of retail and services prices in a period of low inflation, using a set of individual price … data from the German Consumer Price Index which covers the years 1998 to 2003. We strong find evidence of time- and state …-dependent price adjustment. Most importantly, the differences in unconditionalʺ sectoral price flexibility are found to be linked to …
Persistent link: https://www.econbiz.de/10003339174
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Forecasting gold price with auto regressive integrated moving average model
Tripathy, Nalini Prava - In: International journal of economics and financial issues … 7 (2017) 4, pp. 324-329
Persistent link: https://www.econbiz.de/10011824272
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From animal baits to investors' preference : estimating and demixing of the weight function in semiparametric models for biased samples
Ritov, Ya'acov (contributor); Härdle, Wolfgang (contributor) - 2007
We consider two semiparametric models for the weight function in a bias sample model. The object of our interest parametrizes the weight function, and it is either Euclidean or non Euclidean. One of the models discussed in this paper is motivated by the estimation the mixing distribution of...
Persistent link: https://www.econbiz.de/10003633700
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Statistics of risk aversion
Giacomini, Enzo (contributor); Härdle, Wolfgang (contributor) - 2007
Persistent link: https://www.econbiz.de/10003633711
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Estimating probabilities of default with support vector machines
Härdle, Wolfgang (contributor); Moro, Rouslan (contributor) - 2007
This paper proposes a rating methodology that is based on a non-linear classification method, the support vector machine, and a non-parametric technique for mapping rating scores into probabilities of default. We give an introduction to underlying statistical models and represent the results of...
Persistent link: https://www.econbiz.de/10003633940
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Economic integration and the foreign exchange
Weber, Enzo (contributor) - 2007
modelling approach. Since the exchange rate represents the relative price of two currencies, commonness of stochastic trends …
Persistent link: https://www.econbiz.de/10003633997
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Exchange rate uncertainty and trade growth : a comparison of linear and nonlinear (forecasting) models
Herwartz, Helmut (contributor); Weber, Henning (contributor) - 2007
A huge body of empirical and theoretical literature has emerged on the relationship between foreign exchange (FX) uncertainty and international trade. Empirical findings about the impact of FX uncertainty on trade figures are at best weak and often ambiguous with respect to its direction. Almost...
Persistent link: https://www.econbiz.de/10003634011
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Ein Vergleich des binären Logit-Modells mit künstlichen neuronalen Netzen zur Insolvenzprognose anhand relativer Bilanzkennzahlen
Franken, Ronald (contributor) - 2007
Die Prognose der Insolvenzgefährdung von Unternehmen anhand statistischer Methodik war und ist eine bedeutende Aufgabe empirischer Forschung. Eine Möglichkeit der Beurteilung der finanziellen bzw. wirtschaftlichen Verfassung von Unternehmen stellt die sog. externe Bilanzanalyse anhand...
Persistent link: https://www.econbiz.de/10003634014