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On the usefulness of standard industrial classifications in comparative financial statement analysis
Dahlstedt, Roy; Salmi, Timo; Luoma, Martti; Laakkonen, Arto - In: European Journal of Operational Research 79 (1994) 2, pp. 230-238
Persistent link: https://www.econbiz.de/10005277725
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Stochastic modeling of security returns: Evidence from the Helsinki Stock Exchange
Geoffrey Booth, G.; Hatem, John; Virtanen, Ilkka; … - In: European Journal of Operational Research 56 (1992) 1, pp. 98-106
Persistent link: https://www.econbiz.de/10005287297
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Optimal maintenance policy and planned sale date for a machine subject to deterioration and random failure
Virtanen, Ilkka - In: European Journal of Operational Research 9 (1982) 1, pp. 33-40
Persistent link: https://www.econbiz.de/10005287416
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Editorial
Martikainen, Teppo; Virtanen, Ilkka; Yli-Olli, Paavo - In: European Journal of Operational Research 74 (1994) 2, pp. 197-581
Persistent link: https://www.econbiz.de/10005277574
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Nonlinear dependence in Finnish stock returns
Booth, G. Geoffrey; Martikainen, Teppo; Sarkar, Salil K.; … - In: European Journal of Operational Research 74 (1994) 2, pp. 273-283
Persistent link: https://www.econbiz.de/10005277844
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On the long-term stability and cross-country invariance of financial ratio patterns
Yli-olli, Paavo; Virtanen, Ilkka - In: European Journal of Operational Research 39 (1989) 1, pp. 40-53
Persistent link: https://www.econbiz.de/10005277998