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Risk sharing in a federation with population mobility and long horizons

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  • Arman Mansoorian

Abstract

In this paper risk sharing among individuals within and across regions in a federation with population mobility and infinite horizons is considered. It is shown that the regional authorities will not fully exploit gains from interregional risk sharing when population mobility is imperfect. In the Nash equilibrium there is complete risk sharing among the individuals within each region, however, which corresponds to the policies of the central authority. Regional authorities who care about their reputation may be able to commit to an efficient allocation. It is possible that improvements in the degree of mobility will make such commitments less likely. JEL Classification: H77, E61, and F36. Le partage du risque dans une fédération où la population est mobile et l'horizon temporel long. Ce mémoire examine le partage du risque entre personnes à l'intérieur des régions et entre régions dans une fédération où il y a mobilité de la population et horizon temporel infini. On montre que les autorités régionales n'exploiteront pas pleinement les gains en provenance d'un partage inter‐régional du risque quand la mobilité de la population est imparfaite. Cependant, dans un équilibre à la Nash, il y a partage complet du risque entre les individus de chaque région, ce qui correspond aux politiques des autorités centrales. Les autorités régionales qui tiennent à leur réputation peuvent être capables de s'engager à une allocation efficace. Il est possible que les améliorations dans le degré de mobilité rendent ces engagements moins probables.

Suggested Citation

  • Arman Mansoorian, 2000. "Risk sharing in a federation with population mobility and long horizons," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 33(3), pages 662-676, August.
  • Handle: RePEc:wly:canjec:v:33:y:2000:i:3:p:662-676
    DOI: 10.1111/0008-4085.00035
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    Cited by:

    1. Tim Lohse & Julio R. Robledo, 2013. "Public Self-Insurance and the Samaritan’s Dilemma in a Federation," Public Finance Review, , vol. 41(1), pages 92-120, January.

    More about this item

    JEL classification:

    • H77 - Public Economics - - State and Local Government; Intergovernmental Relations - - - Intergovernmental Relations; Federalism
    • E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination
    • F36 - International Economics - - International Finance - - - Financial Aspects of Economic Integration

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