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In this paper, a bibliometric study of the computational intelligence field is presented. Bibliometric maps showing the associations between the main concepts in the field are provided for the periods 1996–2000 and 2001–2005. Both the current structure of the field and the evolution of the...
Persistent link: https://www.econbiz.de/10010837626
We study the performance of Virtual Stock Markets (VSMs) in an institutional forecasting environment. We compare VSMs … of the three approaches differ in forecasting accuracy in a low knowledge-heterogeneity environment. However, where there …
Persistent link: https://www.econbiz.de/10010730880
The Bass (1969) diffusion theory often guides the construction of forecasting models for new product diffusion. To …
Persistent link: https://www.econbiz.de/10010731143
Earlier research has shown that it is very hard to outperform the random walk model with respect to forecasting …
Persistent link: https://www.econbiz.de/10010731257
Dividing forecasts of brand sales by a forecast of category sales, when they are generated from brand specific sales-response models, renders biased forecasts of the brands' market shares. In this paper we therefore propose an easy-to-apply simulation-based method which results in unbiased...
Persistent link: https://www.econbiz.de/10010837695
We introduce a heuristic bias-adjustment for the transaction price-based realized range estimator of daily volatility in the presence of bid-ask bounce and non-trading. The adjustment is an extension of the estimator proposed in Christensen et al. (2009). We relax the assumption that all...
Persistent link: https://www.econbiz.de/10010837698
level. At the customer base level more complicated models have the best performance. At the aggregate level, forecasting …
Persistent link: https://www.econbiz.de/10011067466
For successful trading in financial markets, it is important to develop financial models where one can identify different states of the market for modifying one???s actions. In this paper, we propose to use probabilistic fuzzy systems for this purpose. We concentrate on Takagi???Sugeno (TS)...
Persistent link: https://www.econbiz.de/10010730926
and out-of-sample forecasting. …
Persistent link: https://www.econbiz.de/10010731416
An effective Decision Support System (DSS) should help its users improve decision-making in complex, information-rich, environments. We present a feature gap analysis that shows that current decision support technologies lack important qualities for a new generation of agile business models that...
Persistent link: https://www.econbiz.de/10010730864