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Social Security and Demographic Shocks

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  • Gabrielle Demange
  • Guy Laroque

Abstract

An overlapping generations model of social security with productivity and demographic shocks is studied. The authors focus attention on stationary long-run allocations. An allocation is interim optimal if there does not exist another feasible allocation that improves the expected welfare of all generations, computed conditionally on the state of the world when they are born. The authors characterize the set of interim optimal allocations and study the equilibria associated with various institutional forms of social security from the point of view of this optimality criterion. They obtain the analogs of the two traditional welfare theorems of microeconomic theory.

Suggested Citation

  • Gabrielle Demange & Guy Laroque, 1999. "Social Security and Demographic Shocks," Econometrica, Econometric Society, vol. 67(3), pages 527-542, May.
    • Handle: RePEc:ecm:emetrp:v:67:y:1999:i:3:p:527-542
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    JEL classification:

    • H50 - Public Economics - - National Government Expenditures and Related Policies - - - General
    • H55 - Public Economics - - National Government Expenditures and Related Policies - - - Social Security and Public Pensions
    • J10 - Labor and Demographic Economics - - Demographic Economics - - - General

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