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Economics - Economic Theory | Mathematical Theory of Democracy

Mathematical Theory of Democracy

Tangian, Andranik

2014, XX, 615 p.

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  • Offers a historical outline with an alternative view at social choice, including a revision of the paradoxes of Condorcet and Arrow 
  • Presents a computational instead of an axiomatic approach, implying an alternative election procedure 
  • Emphasizes applications: to real politics, MCDM, finances and traffic control (with a dedicated statistical test)

The mathematical theory of democracy deals with selection of representatives who make decisions on behalf of the whole society. In this book, the notion of representativeness is operationalized with the index of popularity (the average percentage of the population whose opinion is represented on a number of issues) and the index of universality (the frequency of cases when the opinion of a majority is represented). These indices are applied to evaluate and study the properties of single representatives (e.g. president) and representative bodies (e.g. parliament, magistrate, cabinet, jury, coalition). To bridge representative and direct democracy, an election method is proposed that is based not on voting but on indexing candidates with respect to the electorate’s political profile. In addition, societal and non-societal applications are considered.

Content Level » Research

Keywords » Arrow's Paradox - Condorcet's Paradox - Representative Democracy - Representativeness - Social Choice

Related subjects » Applications - Economic Theory - Political Science - Public Finance

Table of contents 

History: Athenian Democracy.- Echoes of Democracy in Ancient Rome.- Revival of Democracy in Italian Mediaval City-Republics.- Enlightenment and the End of Traditional Democracy.- Modernity and Schism in Understanding Democracy.- Theory: Direct Democracy.- Dictatorship and Democracy.- Representative Democracy.- Statistically Testing the Representative Capacity.- Concluding Discussion: Bridging Representative and Direct Democracies.- Applications: Simple Applications.- Application to Collective Multicriteria Decisions.- Application to Stock Exchange Predictions.- Application to Traffic Control.- Appendix: Computational Formulas.- Probabilities of Unequal Choices by Vote and by Candidate Scores.- Statistical Significance of Representative Capacity.

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