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Finding the majority-rule equilibrium under lexicographic comparison of candidates

UNCG Author/Contributor (non-UNCG co-authors, if there are any, appear on document)
Joyendu Bhadury, Associate Dean - Graduate Programs and Research (Creator)
Institution
The University of North Carolina at Greensboro (UNCG )
Web Site: http://library.uncg.edu/

Abstract: This paper considers the well studied problem of the existence of an undominated point, under the assumption of lexicographic preferences of voters, as espoused by Taylor in [24]. We extend Taylor's model to situations were we allow for (i) voters to have different ranings of the issues in n- dimensional issue space and (ii) a candidate to be disregarded by a voter if his stand on any one or more of the issues involved in the election is perceived to be too extreme by the voter and (iii) combinations of (i) and (ii). We extend the results of Taylor by demonstrating the non-existence of an equilibrium point in these models in general and then showing that under special cir- cumstances, specialized variants of the “median” point(s) represent equilib- rium or undominated points in these models too. Thus a model of voting behavior results that is closer approximation of reality in that historically incumbents tend to win. The primary conclusion of the paper is to suggest that incumbents tend to have an advantage when the election process is characterized by a large presence of special interests or as information be- comes more expensive to acquire.

Additional Information

Publication
Social Choice and Welfare. Vol. 15, No. 4, 489-508 (1998). DOI: 10.1007/s003550050119
Language: English
Date: 1998
Keywords
Undominated point, lexicographic preferences, Taylor, voters, special interests