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Aggregation of endogenous information in large elections

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  • Santiago Oliveros

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Abstract

We study aggregation of information when voters can collect information of different precision, with increased precision entailing an increasing marginal cost. In order to properly understand the incentives to collect information we introduce another dimension of heterogeneity: on top of the ideological dimension we allow for different levels of intensity in preferences. Contrary to traditional models of endogenous information, in equilibrium, there are voters collecting information of different qualities. After characterizing all symmetric Bayesian equilibria in pure strategies for arbitrary rules of election and fairly general distribution of types. We study information aggregation in symmetric electorates and show that information aggregates even when voters collect information of different qualities.

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Bibliographic Info

Paper provided by University of Essex, Department of Economics in its series Economics Discussion Papers with number 733.

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Date of creation: 01 May 2013
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Handle: RePEc:esx:essedp:733

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  1. Timothy Feddersen & Wolfgang Pesendorfer, 1997. "Voting Behavior and Information Aggregation in Elections With Private Information," Levine's Working Paper Archive 1560, David K. Levine.
  2. César Martinelli, 2007. "Rational ignorance and voting behavior," International Journal of Game Theory, Springer, vol. 35(3), pages 315-335, February.
  3. Stiglitz, Joseph E., 2001. "Information and the Change in the Paradigm in Economics," Nobel Prize in Economics documents 2001-8, Nobel Prize Committee.
  4. Timothy J. Feddersen, 2004. "Rational Choice Theory and the Paradox of Not Voting," Journal of Economic Perspectives, American Economic Association, vol. 18(1), pages 99-112, Winter.
  5. César Martinelli, 2004. "Would Rational Voters Acquire Costly Information?," Levine's Bibliography 122247000000000593, UCLA Department of Economics.
  6. Daniel Berend & Jacob Paroush, 1998. "When is Condorcet's Jury Theorem valid?," Social Choice and Welfare, Springer, vol. 15(4), pages 481-488.
  7. Chade, Hector & Schlee, Edward, 2002. "Another Look at the Radner-Stiglitz Nonconcavity in the Value of Information," Journal of Economic Theory, Elsevier, vol. 107(2), pages 421-452, December.
  8. Dubey, Pradeep & Geanakoplos, John & Shubik, Martin, 1987. "The revelation of information in strategic market games : A critique of rational expectations equilibrium," Journal of Mathematical Economics, Elsevier, vol. 16(2), pages 105-137, April.
  9. Green, Jerry, 1977. "The Non-existence of Informational Equilibria," Review of Economic Studies, Wiley Blackwell, vol. 44(3), pages 451-63, October.
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Cited by:
  1. Cesar Martinelli, 2011. "Ignorance and Naivete in Large Elections," Working Papers 1107, Centro de Investigacion Economica, ITAM.
  2. Bruns, Christian, 2013. "Elections and Market Provision of Information," Annual Conference 2013 (Duesseldorf): Competition Policy and Regulation in a Global Economic Order 79857, Verein für Socialpolitik / German Economic Association.
  3. Matteo Triossiv, 2010. "Costly information acquisition. Better to toss a coin?," Documentos de Trabajo 267, Centro de Economía Aplicada, Universidad de Chile.
  4. Laurent Bouton & Micael Castanheira De Moura & A. Llorente-Saguer, 2012. "Divided Majority and Information Aggregation: Theory and Experiment," ULB Institutional Repository 2013/136800, ULB -- Universite Libre de Bruxelles.

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