Abstract
This article completes a characterization of achievable and unachievable hierarchies in weighted voting systems where the quota is a proportion of the total weight, proving the main conjecture of Bean et al. (Soc Choice Welf 34: 397–410, 2010).
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Bean, D. Proportional quota weighted voting system hierarchies II. Soc Choice Welf 39, 907–918 (2012). https://doi.org/10.1007/s00355-011-0560-3
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DOI: https://doi.org/10.1007/s00355-011-0560-3