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Consortium for Mathematics and its Applications

Product ID: Articles
Supplementary Print
Undergraduate

Fair Legislative Representation (UMAP)

Author: Joseph Malkevitch


Political scientists who study comparative government have charted a staggering variety of legislative systems. In designing these different systems, countries have the common goals of fairness, efficiency, and stability, as well as goals that are unique to the individual country. However, what is the reason for the great variety of different forms that have occurred? It may come as a surprise that mathematics may play a role in the creation of such legislative schemes, but in fact mathematics has a long tradition of studying problems that involve elections and fairness; the language of mathematics offers an objective voice for analyzing and understanding the diversity of these systems. We consider here
• different kinds of ballots,
• different ways of determining results for elections that use ordinal ballots,
• how to apportion a legislature, and
• the question of power.

Table of Contents:

INTRODUCTION

KINDS OF BALLOTS

DECIDING THE RESULTS OF AN ELECTION
The Borda Count
The Condorcet's Scheme

UNEXPECTED BEHAVIOR

IMPOSSIBILITY RESULTS

THE APPORTIONMENT PROBLEM

WEIGHTED VOTING AND POWER

CONCLUSION

REFERENCES

ACKNOWLEDGMENT

ABOUT THE AUTHOR

©2000 by COMAP, Inc.
The UMAP Journal 21.1
17 pages

Mathematics Topics:

Algebra

Application Areas:

Political Science, Voting Theory

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