edited by Maurice Allais and Ole Hagen

Kluwer Academic Publishers c1994 Theory and decision library ser. A . Philosophy and methodology of the social sciences ; v. 19

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edited by Ole Hagen and Fred Wenstøp

D. Reidel , Sold and distributed in the U.S.A. and Canada by Kluwer Academic Publishers c1984 Theory and decision library v. 42

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edited by Maurice Allais and Ole Hagen

D. Reidel Pub. Co. c1979 Theory and decision library v. 21

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by Ole Hagen

Statsøkonomisk Tidsskrift 1969 Norges Handelshøyskoles Særtrykk-Serie nr. 78

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av Ole Hagen

[Norges Handelshøyskole] 1964 Norges Handelshøyskoles Særtrykk-Serie nr. 54

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