Economia

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http://repositorio.ufes.br/handle/10/17549
Programa de Pós-Graduação em Economia

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Navegando Economia por Autor "Afonso, Marco Aurélio Crocco"

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    Dinâmica versus estática no programa de pesquisa pós-keynesiano
    (Universidade Federal do Espírito Santo, 2006-09-13) Krakowiak, Sérgio; Herscovici, Alain Pierre Claude Henri; Afonso, Marco Aurélio Crocco; Grassi, Robson Antonio
    The first chapter underlines the fact that economic science is provided with two different paradigms. One accepts the ergodicity hypotesis while the other does not. In a strict sense, this hypothesis refers to the possibility of making relyable statistical forecasts. However, in a broader sense it is tyed up with the notion of the immutability of the economic laws, and pre-determination of the reality. Economic schools o thought that postulates full employment equilibrium as a necessary achievement, are inserted in the ergodic paradigm. Keynes and Post-Keynesian theories are non ergodic. These schools postulate that future is fundamentally uncertain. The levels of employment and income are given by the short and long run expectations, the interest rate and propensity to consume, all historical variables. There is no necessary convergence process to the full employment equilibrium; and they hardly converge to the equilibrium, even when it is below full employment. The shifting equilibrium model, shows that a single error in the short run expectations is capable of rising a systematic sequence of disiquilibrium among realized agregate demand and agregate supply. Harrod s model (considered by Kregel [1980] a variant of the Keynes` model). Exhibits the same results.