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Multiplicity of Dynamic Equilibria and Global Efficiency


  • Giancarlo Marini

    () (University of Rome II - Faculty of Economics)

  • Pietro Senesi

    () (University of Rome II - Faculty of Economics)


Within a one-sector, infinite-horizon representative agent model with technological externalities and a convex-concave production function, this paper derives a capital subsidy policy that simultaneously eliminates the wedge between private and social marginal products of capital, and achieves a globally efficient allocation.

Suggested Citation

  • Giancarlo Marini & Pietro Senesi, 2004. "Multiplicity of Dynamic Equilibria and Global Efficiency," CEIS Research Paper 57, Tor Vergata University, CEIS.
  • Handle: RePEc:rtv:ceisrp:57

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    References listed on IDEAS

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    7. Russell Cooper & Andrew John, 1988. "Coordinating Coordination Failures in Keynesian Models," The Quarterly Journal of Economics, Oxford University Press, vol. 103(3), pages 441-463.
    8. Judd, Kenneth L., 1999. "Optimal taxation and spending in general competitive growth models," Journal of Public Economics, Elsevier, vol. 71(1), pages 1-26, January.
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    13. Antonio Ciccone & Kiminori Matsuyama, 1999. "Efficiency and Equilibrium with Dynamic Increasing Aggregate Returns Due to Demand Complementarities," Econometrica, Econometric Society, vol. 67(3), pages 499-526, May.
    14. Costas Azariadis & Allan Drazen, 1990. "Threshold Externalities in Economic Development," The Quarterly Journal of Economics, Oxford University Press, vol. 105(2), pages 501-526.
    15. Benhabib, Jess & Nishimura, Kazuo, 1998. "Indeterminacy and Sunspots with Constant Returns," Journal of Economic Theory, Elsevier, vol. 81(1), pages 58-96, July.
    16. Majumdar, Mukul & Mitra, Tapan, 1982. "Intertemporal allocation with a non-convex technology: The aggregative framework," Journal of Economic Theory, Elsevier, vol. 27(1), pages 101-136, June.
    17. Timothy J. Kehoe & David K. Levine & Paul Romer, 1992. "On Characterizing Equilibria of Models with Externalities and Taxes as Solutions to Optimization Problems," Levine's Working Paper Archive 124, David K. Levine.
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    More about this item


    nonconvexities; technological externalities; dynamic equilibrium allocations;

    JEL classification:

    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • D62 - Microeconomics - - Welfare Economics - - - Externalities
    • H21 - Public Economics - - Taxation, Subsidies, and Revenue - - - Efficiency; Optimal Taxation

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