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Optimal policy with heterogeneous agents and aggregate shocks : An application to optimal public debt dynamics

Author

Listed:
  • François Legrand

    (EM Lyon)

  • Xavier Ragot

    (Paris School of Economics)

Abstract
Abstract We show that allocations in incomplete insurance-market economies can be represented as the solution of the program of a constrained planner. This representation allows for solving Ramsey programs in incomplete-market economies with aggregate shocks, and thus determining optimal policies in such setups. We apply this framework to derive optimal public debt and fiscal policy after a technology, a government spending or an uncertainty shock. We find that, for any adverse shock, public debt decreases whereas capital taxes increases on impact. This policy limits the fall in capital after such shocks. Simulations of the optimal solutions can be obtained by simple perturbation methods.

Suggested Citation

  • François Legrand & Xavier Ragot, 2016. "Optimal policy with heterogeneous agents and aggregate shocks : An application to optimal public debt dynamics," 2016 Meeting Papers 1272, Society for Economic Dynamics.
  • Handle: RePEc:red:sed016:1272
    as

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    References listed on IDEAS

    as
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