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Uma Análise da Dinâmica da Taxa de Lucro, da Taxa de Juros e do Grau de Utilização da Capacidade Produtiva a partir de um Modelo Macrodinâmico Pós-keynesiano

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  • Luciano Dias de Carvalho
  • José Luís Oreiro

    (Department of Economics, Universidade Federal do Paraná)

Abstract

O objetivo do presente artigo é analisar as trajetórias dinâmicas de uma série de macrovariáveis – em particular, a taxa de lucro, a taxa de juros e o grau de utilização da capacidade produtiva – face à mudanças exógenas do ritmo de progresso tecnológico e da propensão a poupar dos capitalistas com base num modelo macro-dinâmico pós-keynesiano que integre o lado real e monetário da economia. A característica fundamental do modelo macro-dinâmico aqui apresentado é a forma pela qual a endogenia da oferta de moeda é estabelecida. Supõe-se que sempre que ocorre alguma inovação tecnológica as firmas demandam crédito ao setor bancário e, em decorrência disso, a taxa de juros cobrada pelos bancos tende a subir. Caracterizando assim uma endogeneidade parcial da oferta de moeda. O exercício de simulação computacional permitiu averiguar o grau de aderência do modelo à dinâmica de uma economia real. A simulação realizada mostrou, dentre outros resultados, que: (i) a taxa de lucro é significativamente elástica com relação a um choque tecnológico positivo, ao passo que a taxa de juros e o grau de utilização da capacidade são pouco sensíveis a esse tipo de choque; e (ii) a confirmação do paradoxo na frugalidade, segundo o qual o aumento da propensão a poupar dos capitalistas acaba por reduzir o nível da poupança agregada, a taxa de lucro e o grau de utilização da capacidade produtiva. Além disso, observou-se que a dinâmica das macrovariáveis em estudo foi extremamente sensível com relação à propensão a poupar dos capitalistas.

Suggested Citation

  • Luciano Dias de Carvalho & José Luís Oreiro, 2006. "Uma Análise da Dinâmica da Taxa de Lucro, da Taxa de Juros e do Grau de Utilização da Capacidade Produtiva a partir de um Modelo Macrodinâmico Pós-keynesiano," Working Papers 0033, Universidade Federal do Paraná, Department of Economics.
  • Handle: RePEc:fup:wpaper:0033
    Note: Creation Date corresponds to the year in which the paper was published on the Department of Economics website. The paper may have been written a small number of months before its publication date.
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    References listed on IDEAS

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