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Még egyszer az optimális növekedésről
[Optimal growth revisited]

Author

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  • Simonovits, András

Abstract

Ebben a cikkben a véges időhorizontú optimális növekedés kérdésével foglalkozunk. A kiinduló pont Harrod és Domar állandó tőke/termelési hányadú modellje, de a beruházási hányad az elemzési időszakban bizonyos korlátok között folytonosan változhat. Föltesszük, hogy a maximalizálandó célfüggvény a pillanatnyi hasznosságfüggvény diszkontált integrálja, valamint a pillanatnyi hasznosságfüggvény a pillanatnyi fogyasztás növekvő és szigorúan konkáv függvénye. A cikk újítása, hogy a fogyasztás időben állandó, rugalmatlan időbeli helyettesíthetőségét feltételezi. Ez a feltevés nemcsak a valósághoz közelít, de megszabadít azoktól a paradoxonoktól, amelyek elkeserítették TINBERGENT [1960]. Kiderül az is, hogy a fogyasztás tökéletes időbeli helyettesíthetőségén alapuló SHELL [1967], VIRÁG [1969], TAKAYAMA [1974], KOVÁCS-VIRÁG [1981] eredménye az először csak beruházni, utána csak fogyasztani stratégia optimalitásáról, közgazdaságilag helytelen.

Suggested Citation

  • Simonovits, András, 1995. "Még egyszer az optimális növekedésről [Optimal growth revisited]," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(12), pages 1118-1135.
    • Handle: RePEc:ksa:szemle:62
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    References listed on IDEAS

    as
    1. Robert M. Solow, 1956. "A Contribution to the Theory of Economic Growth," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 70(1), pages 65-94.
    2. Boldrin, Michele & Woodford, Michael, 1990. "Equilibrium models displaying endogenous fluctuations and chaos : A survey," Journal of Monetary Economics, Elsevier, vol. 25(2), pages 189-222, March.
    3. Hirofumi Uzawa, 1964. "Optimal Growth in a Two-Sector Model of Capital Accumulation," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 31(1), pages 1-24.
    4. Boldrin, Michele & Montrucchio, Luigi, 1986. "On the indeterminacy of capital accumulation paths," Journal of Economic Theory, Elsevier, vol. 40(1), pages 26-39, October.
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    More about this item

    JEL classification:

    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models
    • E13 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Neoclassical
    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis

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