Three-Valued Modal Logic for Qualitative Comparative Policy Analysis with Crisp-Set QCA
BP2-STS
14
English
Contradictory and missing outcomes are problems common to many qualitative comparative studies, based on the methodology of crisp-set QCA. They also occur in public policy analyses, e.g. if important background variables are omitted or outcomes of new policies are technically censored. As a new solution to these problems, this article proposes the use of three-valued modal logic, originally introduced by the Polish philosopher Jan Lukasiewicz (1970). In addition to true and false, indeterminate is the third truth-value in this alternative approach, which serves to code missing or contradictory data. Moreover, modal operators allow a differentiation between strict and possible triggers and inhibitors of policy outcomes. The advantages of three-valued modal logic in crisp-set QCA are illustrated by an empirical example from comparative welfare policy analysis. Its conclusions allow comparisons with the corresponding results from a conventional crisp-set QCA of the same data-set.
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Collections
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Faculty
- Faculté des sciences économiques et sociales et du management
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Language
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Classification
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Politics
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Series statement
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License
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License undefined
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Identifiers
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RERO DOC
210323
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RERO
R007827700
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Persistent URL
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https://folia.unifr.ch/unifr/documents/303604
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