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DEGREE OF MASTER OF SCIENCE IN POLITICAL SCIENCE
ACKNOWLEDGEMENTS: The author wants to thank the following persons who, in some way or another, have contributed to the being of this paper: Eva Atterlöf, Mats Dahlkvist, Helena Gustafsson, Sören Holmberg, Dennis de Jong, Kathy M. Lauzon, Lennart J. Lundqvist, Benjamin Lyngfelt, Maria Olseke, Mats Rodin, Ludvig Sandberg, and Eric Wik.
This paper was written from 26 October 1993 to 10 February 1994, and was presented 7 April 1994 at the Department of Political Science, Göteborg University. Second edition completed 25 November 1994.