Stable constitutions

Daeyoung Jeong and Semin Kim

Games and Economic Behavior, 2023, vol. 142, issue C, 794-811

Abstract: We consider a constitution as a pair of voting rules (f,F) in which the given rule f is for the decision on the final outcome, and the base rule F is for the decision on the change of a voting rule. Which constitutions would stably survive? We define the concepts of interim/ex-post stability, whereby agents' preferences over the outcomes are privately/publicly known when they change a voting rule. We fully characterize the set of interim stable constitutions, which consist of anonymous voting rules. Furthermore, we show that it is equivalent to the set of ex-post stable constitutions. We compare the characteristics of three sets of stable constitutions—ex-ante, interim, and ex-post stable constitutions—and discuss the relationship of inclusions. We also discuss the environmental independence of the concepts of stability, the alternative definition of stability, and the stability of higher-level constitutions composed of more than two voting rules.

Keywords: Weighted majority rules; Constitutions; Stability (search for similar items in EconPapers)
JEL-codes: C72 D02 D72 D82 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:gamebe:v:142:y:2023:i:c:p:794-811

DOI: 10.1016/j.geb.2023.09.013

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