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Democratic Mechanisms

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  • Hans Gersbach

Abstract

We introduce democratic mechanisms as a set of rules that must obey liberal democracy's fundamental principles of equal voting and agenda rights. We show that an appropriate combination of three rules may yield efficient provision of public projects: first, flexible and double majority rules, where the size of the majority depends on the proposal, and taxed and non-taxed individuals need to support the proposal; second, flexible agenda costs, where the agenda-setter has to pay a certain amount of money if his proposal does not generate enough supporting votes; third, a ban on subsidies. We highlight that universal equal treatment with regard to taxation is undesirable. Finally, we illustrate how simple constitutions involving fixed super majority rules yield socially desirable outcomes if the agenda-setter is benevolent. (JEL: D62, D72, H40) (c) 2009 by the European Economic Association.

Suggested Citation

  • Hans Gersbach, 2009. "Democratic Mechanisms," Journal of the European Economic Association, MIT Press, vol. 7(6), pages 1436-1469, December.
    • Handle: RePEc:tpr:jeurec:v:7:y:2009:i:6:p:1436-1469
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    Citations

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    Cited by:

    1. Gersbach, Hans & Tejada, Oriol, 2020. "Semi-flexible Majority Rules for Public Good Provision," CEPR Discussion Papers 15099, C.E.P.R. Discussion Papers.
    2. Hans Gersbach & Lars-H. Siemers, 2014. "Can democracy induce development? A constitutional perspective," Public Choice, Springer, vol. 159(1), pages 177-196, April.
    3. Sahm, Marco, 2006. "Essays in Public Economic Theory," Munich Dissertations in Economics 5633, University of Munich, Department of Economics.
    4. Hans Gersbach, 2011. "On the limits of democracy," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 37(2), pages 201-217, July.
    5. Toke Aidt & Francesco Giovannoni, 2011. "Critical decisions and constitutional rules," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 37(2), pages 219-268, July.
    6. Hans Gersbach & Stephan Imhof & Oriol Tejada, 2021. "Channeling the final say in politics: a simple mechanism," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 71(1), pages 151-183, February.
    7. Hans Gersbach, 2010. "Democratic Provision of Divisible Public Goods," CESifo Working Paper Series 2939, CESifo.
    8. Hans Gersbach & Volker Hahn & Stephan Imhof, 2013. "Tax rules," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 41(1), pages 19-42, June.
    9. Emmanuelle Auriol & Robert Gary-Bobo, 2012. "On the optimal number of representatives," Public Choice, Springer, vol. 153(3), pages 419-445, December.
    10. Johannes Gerd Becker, 2012. "A Note on the Number of (alpha) -Pivotal Players," Mathematics of Operations Research, INFORMS, vol. 37(1), pages 196-200, February.
    11. Gersbach, Hans & Grimm, Oliver & Becker, Johannes Gerd, 2010. "Debt-sensitive Majority Rules," CEPR Discussion Papers 7860, C.E.P.R. Discussion Papers.
    12. Liu, Shuo, 2019. "Voting with public information," Games and Economic Behavior, Elsevier, vol. 113(C), pages 694-719.
    13. Hans Gersbach & Oriol Tejada, 2012. "Channeling the final Say in Politics," CER-ETH Economics working paper series 12/164, CER-ETH - Center of Economic Research (CER-ETH) at ETH Zurich.
    14. Mark Gradstein, 2018. "Self-imposition of public oversight," Public Choice, Springer, vol. 175(1), pages 95-109, April.
    15. Gersbach, Hans, 2017. "Flexible Majority Rules in democracyville: A guided tour," Mathematical Social Sciences, Elsevier, vol. 85(C), pages 37-43.
    16. Gersbach, Hans & Imhof, Stephan & Tejada, Oriol, 2014. "Channeling the Say in Political Decision Bodies," CEPR Discussion Papers 10154, C.E.P.R. Discussion Papers.
    17. Hans Gersbach, 2021. "Elections, the curse of competence and credence policies," Public Choice, Springer, vol. 186(3), pages 491-511, March.
    18. Volker Britz & Hans Gersbach, 2020. "Information sharing in democratic mechanisms," International Journal of Game Theory, Springer;Game Theory Society, vol. 49(2), pages 547-577, June.
    19. Johannes Gerd Becker, 2011. "On the Number of alpha-Pivotal Players," CER-ETH Economics working paper series 11/142, CER-ETH - Center of Economic Research (CER-ETH) at ETH Zurich.

    More about this item

    JEL classification:

    • D62 - Microeconomics - - Welfare Economics - - - Externalities
    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior
    • H40 - Public Economics - - Publicly Provided Goods - - - General

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