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A test of the arbitrage pricing theory using accounting information
Martikainen, Teppo; Yli-Olli, Paavo - In: Economics Letters 34 (1990) 1, pp. 55-59
Persistent link: https://www.econbiz.de/10005257600
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Return intervals, systematic risk estimates and firm size : Empirical evidence from a thin security market
Martikainen, Teppo; Perttunen, Jukka - In: Economics Letters 36 (1991) 3, pp. 311-315
Persistent link: https://www.econbiz.de/10005275799
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On the instability of financial patterns of failed firms and the predictability of corporate failure
Martikainen, Teppo; Ankelo, Timo - In: Economics Letters 35 (1991) 2, pp. 209-214
Persistent link: https://www.econbiz.de/10005362325