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Coalition Governments in a Model of Parliamentary Democracy

  • Siddhartha Bandyopadhyay

    (University of Birmingham)

  • Mandar Oak

    (Williams College)

We analyze the relative importance of party ideology and rents from office in the formation of coalitions in a parliamentary democracy. In equilibrium, the types of coalitions that are formed may be minimal winning, minority or surplus and they may be ideologically `disconnected'. The coalitions that form depend upon the relative importance of rents of office and seat shares of the parties. If rents are high, governments cannot be surplus. With low rents or the formateur close to the median, minority governments occur for a wider ideological dispersion. Further, there is a non-monotonic relationship between connectedness of coalitions and rents.

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Paper provided by Fondazione Eni Enrico Mattei in its series Working Papers with number 2006.83.

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Date of creation: Jun 2006
Date of revision:
Handle: RePEc:fem:femwpa:2006.83
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  1. Diermeier, Daniel & Merlo, Antonio, 1998. "Government Turnover in Parliamentary Democracies," Working Papers 98-31, C.V. Starr Center for Applied Economics, New York University.
  2. Hamlin, Alan & Hjortlund, Michael, 2000. " Proportional Representation with Citizen Candidates," Public Choice, Springer, vol. 103(3-4), pages 205-30, June.
  3. De Sinopoli, F. & Iannantuoni, G., 2001. "Sincere and strategic voters in a model of proportional representation," CORE Discussion Papers 2001029, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  4. Massimo Morelli, 2004. "Party Formation and Policy Outcomes under Different Electoral Systems," Review of Economic Studies, Wiley Blackwell, vol. 71, pages 829-853, 07.
  5. Besley, Timothy & Coate, Stephen, 1997. "An Economic Model of Representative Democracy," The Quarterly Journal of Economics, MIT Press, vol. 112(1), pages 85-114, February.
  6. DUTTA, Bhaskar & JACKSON, Matthew O. & LE BRETON, Michel, 1999. "Strategic candidacy and voting procedures," CORE Discussion Papers 1999011, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  7. Suryapratim Banerjee & Hideo Konishi & Tayfun Sonmez, 1999. "Core in a Simple Coalition Formation Game," Boston College Working Papers in Economics 449, Boston College Department of Economics.
  8. Martin J Osborne & Rabee Tourky, 2010. "Party formation in collective decision-making," Levine's Working Paper Archive 506439000000000050, David K. Levine.
  9. Daniel Diermeier & Antoni Merlo, 1999. "An Empirical Investigation of Coalitional Bargaining Procedures," Discussion Papers 1267, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  10. Jackson, Matthew O. & Moselle, Boaz, 2002. "Coalition and Party Formation in a Legislative Voting Game," Journal of Economic Theory, Elsevier, vol. 103(1), pages 49-87, March.
  11. Siddhartha Bandyopadhyay & Mandar Oak, 2004. "Party Formation and Coalitional Bargaining in a Model of Proportional Representation," Working Papers 2004.98, Fondazione Eni Enrico Mattei.
  12. Osborne, Martin J & Slivinski, Al, 1996. "A Model of Political Competition with Citizen-Candidates," The Quarterly Journal of Economics, MIT Press, vol. 111(1), pages 65-96, February.
  13. Tasos Kalandrakis, 2004. "Genericity of Minority Governments : The Role of Policy and Office," Wallis Working Papers WP39, University of Rochester - Wallis Institute of Political Economy.
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