370 resultados para OPTIMALITY
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Matemática - IBILCE
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Pós-graduação em Matemática - IBILCE
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This paper analyses public debt in the most indebted Caribbean countries – i.e. Barbados, Belize, Guyana, Jamaica, Antigua and Barbuda, Dominica, Grenada, and St. Kitts and Nevis – from the standpoint of its sustainability. A level of debt is deemed to be sustainable when the debt-to-GDP ratio remains constant or declines. The concept of sustainability is closely linked to that of solvency. A government is solvent if the net present value of its future primary balances (i.e. that excludes interest payments) is equal to or greater than the present value of public debt stock. It can be demonstrated that if the debt-to-GDP ratio is not on an explosive path, that it either stable or decreasing, the solvency condition holds. It is worth noting that the concept of fiscal sustainability addressed in this paper differs from that of optimality of public debt. The analysis that follows is intended to determine whether the service of the current debt levels is consistent with the fiscal stance. Therefore, it does not set out to identify the target debt level based on any optimality criteria. The next section presents the main features of different theoretical approaches to analyse public debt sustainability.1 Section II discusses the situation of public debt in the Caribbean countries showing different indicators; Section III analyses debt sustainability in countries with access to market financing; Section IV does the same in Guyana – a country dependent on concessional financing and, as such, included in the Highly Indebted Poor Countries (HIPC) Initiative – and the countries of the Eastern Caribbean Currency Union (ECCU). Sections V and VI go beyond debt levels as determinants of fiscal sustainability, highlighting the importance of the currency composition of debt and the variability of fiscal revenue. The last section concludes.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Linguística e Língua Portuguesa - FCLAR
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Pós-graduação em Engenharia Elétrica - FEIS
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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This article examines the lexical stress positioning in three moments of Portuguese diachrony: in its Latin origin, in medieval times (the so called Archaic Portuguese, of GalicianPortuguese), and in contemporary times, comparing Brazilian and European Portuguese. Two analysis are presented: the first one, based on non-linear Phonology theories, and the second one, based on Optimality Theory. The article shows that the rhythmic chance that affected Portuguese in its diachronic trajectory from Latin to contemporary days is not based in lexical stress positioning, which is still very close to what happened in the original Latin phase of the language.
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Pós-graduação em Engenharia Elétrica - FEIS
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Pós-graduação em Linguística e Língua Portuguesa - FCLAR
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Pós-graduação em Matematica Aplicada e Computacional - FCT
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)