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A super criterion for testing portfolio efficiency : empirical evidence on Finnish stock data
Östermark, Ralf - In: European journal of operational research : EJOR 46 (1990) 3, pp. 304-312
Persistent link: https://www.econbiz.de/10001090675
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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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Linear goal and multiobjective programming in financial planning : theoret. observations and a set of applications
Östermark, Ralf - 1986
Persistent link: https://www.econbiz.de/10000701255
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Portfolio efficiency of capital asset pricing models : empirical evidence on thin stock markets
Östermark, Ralf - 1990
Persistent link: https://www.econbiz.de/10000799612
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Modelling vector-valued multiple input stochastic processes with ridge, spectral and space methodology
Östermark, Ralf - 1991
Persistent link: https://www.econbiz.de/10000805369
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Räntedifferentiering och kreditransonering : stokastiska optimalitetsvillkor för räntereglerade monopolbanker
Östermark, Ralf - 1986
Persistent link: https://www.econbiz.de/10000713118
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Designing financial model architectures : a study of managerial decision support
Östermark, Ralf - 1986
Persistent link: https://www.econbiz.de/10000715704
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Finalismi ja yrityskybernetiikka : summary: Finalism and managerial cybernetics
Östermark, Ralf - 1983
Persistent link: https://www.econbiz.de/10000762299