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Modele reprezentatywnych podmiotów gospodarczych jako narzędzie analizy w nowej syntezie neoklasycznej

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  • Przemysław Włodarczyk

    (Uniwersytet Łódzki, Wydział Ekonomiczno-Socjologiczny, Katedra Makroekonomii)

Abstract

W opracowaniu omówiono główne rodzaje modeli reprezentatywnych podmiotów gospodarczych, wykorzystywane przez przedstawicieli nowej szkoły keynesowskiej, w szczególności nowej syntezy neoklasycznej. Pozwoliło to na ocenę warunków, których przyjęcie jest konieczne do wyznaczenia rozwiązania tych modeli. Analizie poddano modele oparte na koncepcji konkurencji monopolistycznej Dixita-Stiglitza, nieuwzględniające sztywności cen nominalnych. Wprowadzono kilka prostych założeń umożliwiających agregację i w stosunkowo niewielkim stopniu ograniczających heterogeniczność podmiotów gospodarczych. Doprowadziło to do uzyskania modelu równowagi ogólnej, którego rozwiązanie na poziomie agregatowym będzie takie samo jak to, które uzyskalibyśmy w wyniku rozwiązania problemów optymalizacyjnych każdego z analizowanych podmiotów z osobna. W odniesieniu do modeli uwzględniających sztywność cen i płac stwierdzono, że zastosowane metody, przede wszystkim mechanizm sztywności cen Calvo oraz analogiczny do niego mechanizm sztywności płac Ercega, Hendersona i Levina, sprawiają, iż mogą one być rozwiązane jedynie przy założeniu istnienia tzw. równowagi symetrycznej.

Suggested Citation

  • Przemysław Włodarczyk, 2016. "Modele reprezentatywnych podmiotów gospodarczych jako narzędzie analizy w nowej syntezie neoklasycznej," Bank i Kredyt, Narodowy Bank Polski, vol. 47(6), pages 553-584.
    • Handle: RePEc:nbp:nbpbik:v:47:y:2016:i:6:p:553-584
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    Cited by:

    1. Przemysław Włodarczyk, 2018. "Rynek pracy w modelu nowej syntezy neoklasycznej ze sztywnościami płac nominalnych," Gospodarka Narodowa. The Polish Journal of Economics, Warsaw School of Economics, issue 4, pages 51-92.

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    More about this item

    Keywords

    nowa synteza neoklasyczna; reprezentatywne podmioty gospodarcze; agregacja; mikropodstawy ekonomii;
    All these keywords.

    JEL classification:

    • B41 - Schools of Economic Thought and Methodology - - Economic Methodology - - - Economic Methodology
    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • D58 - Microeconomics - - General Equilibrium and Disequilibrium - - - Computable and Other Applied General Equilibrium Models

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