Dealing with uncertainty: evolving beliefs, rationalizations & the origins of economic crises
The recent worldwide macroeconomic crisis reopened old questions about how agents define their economic plans and expectations. Debt crises disappoint previous anticipations and, by their very nature, they lead to deep revisions of beliefs about the functioning of the economic system. This crucial e...
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| Autores principales: | , , |
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| Formato: | Artículo publishedVersion |
| Lenguaje: | Inglés |
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Instituto Interdisciplinario de Economía Política (IIEP UBA-CONICET)
2022
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| Acceso en línea: | https://ojs.economicas.uba.ar/DT-IIEP/article/view/2520 https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=dociiep&d=2520_oai |
| Aporte de: |
| Sumario: | The recent worldwide macroeconomic crisis reopened old questions about how agents define their economic plans and expectations. Debt crises disappoint previous anticipations and, by their very nature, they lead to deep revisions of beliefs about the functioning of the economic system. This crucial element of crises denies the standard rational expectations assumption (an ambiguous concept, also). The decision errors that result in crises do not necessarily derive from behavioural biases which make agents ignore prevalent views about economic prospects: often, those choices had been rationalized with reference to established conventional wisdom. Thus, understanding such socially relevant events requires addressing the concrete ways in which agents generate practical decision scenarios in changing environments, and how those interact with the modes of analysis accepted at their times. A revision of Keynes Ì work on uncertainty can help in this respect. In this paper we analyse the crucial informational elements of macro crises, we discuss weaknesses of the standard modes of argument which try to accommodate critical phenomena into the rational expectations framework, and we comment on ways to move ahead, with reference to Keynes Ìs contributions.
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