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Invalid Ballots and Electoral Competition

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  • Gani Aldashev
  • Giovanni Mastrobuoni

Abstract

We study how the closeness of electoral race affect the number of invalid ballots under the traditional paper-ballot voting technology. Using a large dataset from the Italian parliamentary elections in 1994-2001, we find a strong positive correlation between the closeness of electoral race and the fraction of invalid ballots. This correlation is not driven by voters' behavior, the biased actions of election officers, or the strategic pressure by parties. The theory that garners most support is that of unbiased election officers that increase their effort in response to higher (expected) closeness of electoral race, so as to reduce the likelihood of incorrectly adjudicating the victory. We also find large North-South differences in the patterns of invalid ballots: (i) electoral districts and municipalities in Southern Italian regions have a substantially higher level of invalid ballots, and (ii) the correlation between the closeness of electoral race and the fraction of invalid ballots is absent in the South. Social capital and organized crime explain these differences: once these two features are accounted for, the districts and municipalities in the South behave similarly to those in the North.

Suggested Citation

  • Gani Aldashev & Giovanni Mastrobuoni, 2010. "Invalid Ballots and Electoral Competition," Carlo Alberto Notebooks 153, Collegio Carlo Alberto.
    • Handle: RePEc:cca:wpaper:153
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    References listed on IDEAS

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    Cited by:

    1. Cantoni, Enrico & Gazzè, Ludovica & Schafer, Jerome, 2021. "Turnout in concurrent elections: Evidence from two quasi-experiments in Italy," European Journal of Political Economy, Elsevier, vol. 70(C).
    2. Maria De Paola & Vincenzo Scoppa, 2012. "The Causal Impact Of Closeness On Electoral Participation Exploiting The Italian Dual Ballot System," Working Papers 201203, Università della Calabria, Dipartimento di Economia, Statistica e Finanza "Giovanni Anania" - DESF.
    3. Tina Fransman, 2021. "Voting and protest tendencies associated with changes in service delivery," Working Papers 08/2021, Stellenbosch University, Department of Economics.
    4. Harka, Elona & Rocco, Lorenzo, 2022. "Studying more to vote less. Education and voter turnout in Italy," European Journal of Political Economy, Elsevier, vol. 72(C).
    5. Francesco Armillei & Enrico Cavallotti, 2021. "Concurrent elections and voting behaviour: evidence from an Italian referendum," BAFFI CAREFIN Working Papers 21164, BAFFI CAREFIN, Centre for Applied Research on International Markets Banking Finance and Regulation, Universita' Bocconi, Milano, Italy.

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    More about this item

    Keywords

    invalid ballots; electoral competition; social capital; voting technology; Italian parliamentary elections;
    All these keywords.

    JEL classification:

    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior
    • D73 - Microeconomics - - Analysis of Collective Decision-Making - - - Bureaucracy; Administrative Processes in Public Organizations; Corruption
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • Z10 - Other Special Topics - - Cultural Economics - - - General

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