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Rational ignorance and voting behavior

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  • César Martinelli

Abstract

We model a two-alternative election in which voters may acquire information about which is the best alternative for all voters. Voters differ in their cost of acquiring information. We show that as the number of voters increases, the fraction of voters who acquire information declines to zero. However, if the support of the cost distribution is not bounded away from zero, there is an equilibrium with some information acquisition for arbitrarily large electorates. This equilibrium dominates in terms of welfare any equilibrium without information acquisition--even though generally there is too little information acquisition with respect to an optimal strategy profile.
(This abstract was borrowed from another version of this item.)
(This abstract was borrowed from another version of this item.)

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  • César Martinelli, 2007. "Rational ignorance and voting behavior," International Journal of Game Theory, Springer;Game Theory Society, vol. 35(3), pages 315-335, February.
    • Handle: RePEc:spr:jogath:v:35:y:2007:i:3:p:315-335
    DOI: 10.1007/s00182-006-0051-4
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    More about this item

    Keywords

    Rational ignorance; Condorcet jury theorem; Strategic voting; Information acquisition; D72;
    All these keywords.

    JEL classification:

    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior

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