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Neumann versus Leontief. Két modell - két gazdaságkép
[Neumann vs Leontief. Two models, two approaches to the economy]

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  • Zalai, Ernő

Abstract

A szerző a tisztán elméleti célokra kifejlesztett Neumann-modellt és a gyakorlati alkalmazások céljára kifejlesztett Leontief-modellt veti össze. A Neumann-modell és a Leontief-modell éves termelési periódust feltételező, zárt, stacionárius változatának hasonló matematikai struktúrája azt a feltételezést sugallja, hogy az utóbbi a Neumann-modell sajátos eseteként értelmezhető. Az egyes modellek közgazdasági tartalmát és feltevéseit részletesen kibontva és egymással összevetve a szerző megmutatja, hogy a fenti következtetés félrevezető, két merőben különböző modellről van szó, nem lehet az egyikből a másikat levezetni. Az ikertermelés és technológiai választék lehetősége a Neumann-modell elengedhetetlen feltevése, az éves termelési periódus feltevése pedig kizárja folyam jellegű kibocsátások explicit figyelembevételét. Mindezek feltevések ugyanakkor idegenek a Leontief- modelltől. A két modell valójában egy általánosabb állomány-folyam jellegű zárt, stacionárius modell sajátos esete, méghozzá azok folyamváltozókra redukált alakja. Journal of Economic Literature (JEL) kód: B16, B23, B41, C67, O41.

Suggested Citation

  • Zalai, Ernő, 2014. "Neumann versus Leontief. Két modell - két gazdaságkép [Neumann vs Leontief. Two models, two approaches to the economy]," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(11), pages 1245-1278.
    • Handle: RePEc:ksa:szemle:1513
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    References listed on IDEAS

    as
    1. Morishima, Michio, 1974. "The Fundamental Marxian Theorem: A Reply to Samuelson," Journal of Economic Literature, American Economic Association, vol. 12(1), pages 71-75, March.
    2. Zalai, Ernő, 1999. "A közgazdaságtan metodológiájáról és a matematikai közgazdaságtanról a Neumann-modell ürügyén [On the methodolgy of economics and on mathematical economics, under the pretext of the Neumann model]," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(7), pages 600-628.
    3. Zalai, Ernő, 2011. "Az egyensúlyi ráták unicitása és a bérráta pozitivitása a Neumann-modell általánosításaiban [Uniqueness of equilibrium rates and the positive value of the wage rate in generalizations from the Neum," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(1), pages 20-40.
    4. Paul A. Samuelson, 1937. "A Note on Measurement of Utility," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 4(2), pages 155-161.
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    More about this item

    JEL classification:

    • B16 - Schools of Economic Thought and Methodology - - History of Economic Thought through 1925 - - - Quantitative and Mathematical
    • B23 - Schools of Economic Thought and Methodology - - History of Economic Thought since 1925 - - - Econometrics; Quantitative and Mathematical Studies
    • B41 - Schools of Economic Thought and Methodology - - Economic Methodology - - - Economic Methodology
    • C67 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Input-Output Models
    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models

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