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Modelling multiple-input vector-valued time series processes by a multi-layer neural net topology
Östermark, Ralf - 1992
Persistent link: https://www.econbiz.de/10000834762
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The forecasting performance of a VARMAX-search algorithm and a state space algorithm with exogenous variables
Östermark, Ralf - 1992
Persistent link: https://www.econbiz.de/10000834763
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On the heteroscedasticity of Finnish cash and derivatives markets
Östermark, Ralf; Höglund, Rune - 1996
Persistent link: https://www.econbiz.de/10000946454
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Multivariate EGARCHX-modelling of the international asset return signal response mechanism
Östermark, Ralf - In: International journal of finance & economics : IJFE 2 (1997) 3, pp. 249-262
Persistent link: https://www.econbiz.de/10001227630
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The efficiency of recursive investment strategies for a combined portfolio of stocks and call options : empirical evidence on the Swedish stock market
Östermark, Ralf; Aaltonen, Jaana - 1992
Persistent link: https://www.econbiz.de/10000843164