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Redefinition of the Greek electoral districts through the application of a region-building algorithm


  • Photis, Yorgos N.


The main purpose of this paper is the formulation of a methodological approach for the definition of homogenous spatial clusters, taking into account both geographical and descriptive characteristics. The proposed methodology, is substantiated by SPiRAL (SPatial Integration and Redistricting ALgorithm), a constrained-based spatial clustering algorithm, whose successive steps focus on the analysis of the characteristics of the areas being integrated, the designation of the spatial clusters and the validity of a joining criterion. We applied the methodological approach and used SPiRAL to solve a realistic electoral redistricting problem. Namely, the redefinition of the electoral districts of the Prefecture of Lakonia in Greece. The results demonstrate an improved layout of the study area’s electoral map as far as the problem’s criteria and constraints are concerned (adjacency, population and size), justifying in this respect the perspectives and potential of our approach in the analysis and confrontation of similar problems.

Suggested Citation

  • Photis, Yorgos N., 2012. "Redefinition of the Greek electoral districts through the application of a region-building algorithm," MPRA Paper 42398, University Library of Munich, Germany, revised Oct 2012.
  • Handle: RePEc:pra:mprapa:42398

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    References listed on IDEAS

    1. Juan Carlos Duque & Raúl Ramos & Jordi Suriñach, 2007. "Supervised Regionalization Methods: A Survey," International Regional Science Review, , vol. 30(3), pages 195-220, July.
    2. Photis, Yorgos N. & Manetos, Panos, 2008. "Primary care clinic location decision-making and spatial accessibility for the region of Thessaly," MPRA Paper 42397, University Library of Munich, Germany, revised Feb 2008.
    3. Ricca, Federica & Simeone, Bruno, 2008. "Local search algorithms for political districting," European Journal of Operational Research, Elsevier, vol. 189(3), pages 1409-1426, September.
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    More about this item


    Spatial clustering; GIS; constraint-based algorithm; electoral districts; Greece;

    JEL classification:

    • R53 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Regional Government Analysis - - - Public Facility Location Analysis; Public Investment and Capital Stock
    • O2 - Economic Development, Innovation, Technological Change, and Growth - - Development Planning and Policy
    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior

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