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On multi-level apportionment

delete2025-11-01
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OA
AI
U
Ulrike Schmidt-Kraepelin
W
Warut Suksompong *
S
Steven Wijaya
DOI:10.1007/s11238-025-10106-3delete
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Abstract

Abstract

En 中文
Apportionment refers to the well-studied problem of allocating legislative seats among parties or groups with different entitlements. We present a multi-level generalization of apportionment where the groups form a hierarchical structure, which gives rise to stronger versions of the upper and lower quota notions. We show that running Adams' method level-by-level satisfies upper quota, while running Jefferson's method or the quota method level-by-level guarantees lower quota. Moreover, we prove that both quota notions can always be fulfilled simultaneously.
Keywords:
Apportionment
Quota
House monotonicity
AI Summary

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Journal

T
Theory and Decision
IF:
0.6
Papers:
57
Citations:
0

Organization

N
national university of singapore
Scholars:
4.6K
Papers: 2.4K
Citations: 1
E
Eindhoven University of Technology
Scholars:
1.6W
Papers: 1.5W
Citations: 2.2W