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      Uncertainty, conventions and short-term expectations Translated title: Incerteza, convenções e expectativas de curto-prazo

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          Abstract

          ABSTRACT Contrasting different views on the topic, this article examines whether short-term expectations involve uncertainty, arguing in favour of an affirmative answer and thus invalidating any association with the rational or adaptive expectations hypothesis. It is then argued that the presence of uncertainty precludes any tendency towards equilibrium. After the notion of the state of short-term expectations is introduced, this conclusion is affirmed to be valid even if one considers that producers often follow conventional behaviour. Defending the view that uncertainty should be considered as gradable, the article maintains that conventions reduce but do not eliminate uncertainty.

          Translated abstract

          RESUMO Contrastando diferentes visões sobre o tema, este artigo examina se as expectativas de curto prazo envolvem incerteza, argumentando a favor de uma resposta afirmativa e, assim, invalidando qualquer associação com a hipótese de expectativas racionais ou adaptativas. Argumenta-se então que a presença de incerteza impede qualquer tendência ao equilíbrio. Após a introdução da noção de estado das expectativas de curto prazo, afirma-se que essa conclusão é válida mesmo se considerarmos que os produtores geralmente seguem o comportamento convencional. Defendendo a visão de que a incerteza deve ser considerada como graduável, o artigo sustenta que as convenções reduzem, mas não eliminam a incerteza.

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          Most cited references65

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          The General Theory of Employment

          J. Keynes (1937)
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            Principles of Economics

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              An Equilibrium Model of the Business Cycle

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                Author and article information

                Journal
                rep
                Brazilian Journal of Political Economy
                Brazil. J. Polit. Econ.
                Centro de Economia Política (São Paulo, SP, Brazil )
                0101-3157
                1809-4538
                July 1999
                : 19
                : 3
                : 470-484
                Affiliations
                [1] orgnameUniversity of Cambridge orgdiv1Faculty of Economics and Politics United Kingdom ddequech@ 123456gmail.com
                Article
                S0101-31571999000300470 S0101-3157(99)01900300470
                10.1590/0101-31571999-1056
                4581a5ed-2e58-4e6c-b6ac-4aa72b4bc2c7

                This work is licensed under a Creative Commons Attribution 4.0 International License.

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                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 67, Pages: 15
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                SciELO Brazil

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                Uncertainty,post-Keyesianism,equilibrium,Incerteza,pós-keynesianismo,equilíbrio

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