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Search Results: 1 - 10 of 25368 matches for " Fernando; Correia "
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The Public Debt’s Dedollarization Effect in an Inflation Target Economy: A Theoretical Approach  [PDF]
Fernando Motta Correia, Luciano Ferreira Gabriel
Modern Economy (ME) , 2015, DOI: 10.4236/me.2015.63033
Abstract: The main objective of this paper is to verify the necessary conditions for a possible existence of a steady state balance in an economy. This steady state balance contemplates in its long-term period, the dynamics of the inflation, the interest rate and the exchange rate. Besides, it is considered the public debt of the economy, which is indexed to these three variables in an environment where monetary politics incorporates the use of inflation target. In the stability analysis, it is possible to verify a rest position in the system framework. The conditions at this point present an economy with a mechanism of “dedollarization” of the public debt. By this first condition, the stability analysis calls attention with respect to the measure of the process of “dedollarization”. Depending on its intensity, the economy will show a positive wealth effect that could stimulate the expansion of the investments.
Juristas: teoria social e idéias políticas
Dias, Fernando Correia;
Sociedade e Estado , 2000, DOI: 10.1590/S0102-69922000000200002
Abstract: this article deals with the origins of the establishment of the social sciences in minas gerais since the forties of this century. it describes the intellectual environment of ouro preto in the end of the nineteenth century. the author also analyses texts written by jurists; these texts focus on political ideas and the themes concerned to social theory. it is emphasized the influence from european theoretical trends.
Breve notícia da recente erup o na ilha do Fogo e suas consequências
Ezequiel Correia,Fernando Costa
Finisterra - Revista Portuguesa de Geografia , 1995,
Abstract: BRIEF NOTES ABOUT THE RECENT VOLCANIC ERUPTION AT FOGO ISLAND - This article provides a concise description of the volcanic eruption that occurred in 1995 in the island of Fogo (Cape Verde). It focuses on the evolution of the eruption, its characteristics, and the alteration it produced on the topography and morphology of the landscape of Ch das Caldeiras. The consequences of this phenomenon on the human and agricultural occupation are also emphasized.
A distribui o das actividades terciárias na cidade de Lisboa segundo as estatísticas fiscais
Jorge Gaspar,Fernando Correia
Finisterra - Revista Portuguesa de Geografia , 1975,
Abstract:
Video Object Relevance Metrics for Overall Segmentation Quality Evaluation
Correia Paulo,Pereira Fernando
EURASIP Journal on Advances in Signal Processing , 2006,
Abstract: Video object segmentation is a task that humans perform efficiently and effectively, but which is difficult for a computer to perform. Since video segmentation plays an important role for many emerging applications, as those enabled by the MPEG-4 and MPEG-7 standards, the ability to assess the segmentation quality in view of the application targets is a relevant task for which a standard, or even a consensual, solution is not available. This paper considers the evaluation of overall segmentation partitions quality, highlighting one of its major components: the contextual relevance of the segmented objects. Video object relevance metrics are presented taking into account the behaviour of the human visual system and the visual attention mechanisms. In particular, contextual relevance evaluation takes into account the context where an object is found, exploiting, for instance, the contrast to neighbours or the position in the image. Most of the relevance metrics proposed in this paper can also be used in contexts other than segmentation quality evaluation, such as object-based rate control algorithms, description creation, or image and video quality evaluation.
Política fiscal, sustentabilidade da dívida pública e liquidez dos títulos: uma análise para o Brasil
Correia, Fernando Motta;Meurer, Roberto;
Estudos Econ?micos (S?o Paulo) , 2008, DOI: 10.1590/S0101-41612008000300008
Abstract: this article evaluates such a fiscal effort and in particular the role played by the liquidity of the public debt bonds market to alleviate the effort. a model based on edwards (2003) is applied to forecast the primary fiscal surplus in alternative scenarios of demand for the public debt bonds, real gdp growth, inflation target, real interest rate and changes in exchange rate. we focus on the impact of the changes in demand for the public debt bonds on the fiscal effort necessary to stabilize the debt-gdp ratio. results show that such changes alter the response of the fiscal effort to gdp growth and changes in exchange rate. although the other variables considered can affect the fiscal effort their response to gdp growth is constant.
Stand-Alone Objective Segmentation Quality Evaluation
Correia Paulo Lobato,Pereira Fernando
EURASIP Journal on Advances in Signal Processing , 2002,
Abstract: The identification of objects in video sequences, that is, video segmentation, plays a major role in emerging interactive multimedia services, such as those enabled by the ISO MPEG- and MPEG- standards. In this context, assessing the adequacy of the identified objects to the application targets, that is, evaluating the segmentation quality, assumes a crucial importance. Video segmentation technology has received considerable attention in the literature, with algorithms being proposed to address various types of applications. However, the segmentation quality performance evaluation of those algorithms is often ad hoc, and a well-established solution is not available. In fact, the field of objective segmentation quality evaluation is still maturing; recently, some more efforts have been made, mainly following the emergence of the MPEG object-based coding and description standards. This paper discusses the problem of objective segmentation quality evaluation in its most difficult scenario: standalone evaluation, that is, when a reference segmentation is not available for comparative evaluation. In particular, objective metrics are proposed for the evaluation of standalone segmentation quality for both individual objects and overall segmentation partitions.
Fiscal Multipliers in Brazil: A Sensitivity Analysis on the Structural Identification Procedure  [PDF]
Gilberto da Silveira Barros, Fernando Motta Correia
Modern Economy (ME) , 2019, DOI: 10.4236/me.2019.1010137
Abstract: The present study measured the effectiveness of Brazilian fiscal policy (the effects of fiscal shocks on output) through several specifications of SVAR models. The focus was on the impact of tax shocks on output, but spending shocks effects were also estimated. Two databases for fiscal variables were used: the official data from National Treasury and a set of alternative data by Gobetti and Orair [1]. The tax multiplier depends on the assumption about the sensitivity of government’s revenue to output: the greater the sensitivity, the greater is the tax multiplier. The preferred estimates of tax multipliers in this paper are higher than other estimates in the Brazilian literature. In most identifications both spending and tax (impact) multipliers are below unit.
Curva de Phillips e macrodinamica do capital ótimo
Correia, Fernando Motta;Pereima, Jo?o Basílio;
Revista de Economia Contemporanea , 2011, DOI: 10.1590/S1415-98482011000200001
Abstract: this paper presents new arguments for some recent stylized facts about the dynamics of inflation shown by mishkin (2007), which are: a) the persistence of inflation shocks are declining; b) the phillips' curve of this becoming more horizontal and; c) inflation has been less reactive to shocks on prices. it addressed the problem of determining the aggregate supply where the new version of the keynesian phillips' curve, that despite progress, not yet incorporating the determinants of the expansion potential of the product and that this inclusion is one of the explanations for stylized facts (fact b ) revealed recently by mishkin.
Decis es clínicas na doen a de Crohn Clinical challenges in Crohn’s disease
Fernando Magro,Luis Correia,Paula Lago,Guilherme Macedo
Jornal Português de Gastrenterologia , 2012,
Abstract: Introdu o: A doen a de Crohn é uma doen a infl amatória crónica do trato gastrointestinal. O aumento da incidência e a heterogeneidade desta patologia, com diferentes apresenta es e prognóstico leva a uma constante preocupa o em desenvolver e melhorar a sua classifica o e tratamento. Objectivos: Elaborar recomenda es (com base no nível de evidência e grau de recomenda o) para 5 quest es consideradas como os desafios clínicos na abordagem terapêutica da doen a de Crohn na actualidade. Métodos: A metodologia adoptada pelo grupo de trabalho DC2 (Desafios Clínicos na Doen a de Crohn) baseou-se na sele o de 5 quest es-problema, por vota o; elabora o, por cada subgrupo, de recomenda es e reflex es nacionais para cada quest o-problema; discuss o e aprova o das respostas e reflex es de cada quest o, em reuni o de consenso. Conclus es: Foi possível efectuar conclus es alicer adas na evidência para as quest es colocadas, recomendando-se: 1) s o factores preditivos de mau prognóstico o aparecimento da doen a de Crohn antes dos 40 anos, doen a estenosante e doen a anal; 2) poder-se-á ponderar suspender os biológicos em doentes com remiss o endoscópica e com biomarcadores normais; 3) os doentes com marcadores bioquímicos de atividade (nomeadamente a PCR e a calprotectina) têm maior probabilidade de recidiva; 4) perante uma falência aos biológicos é essencial assegurar que o tratamento com o primeiro fármaco foi optimizado. No caso do infliximab, está demonstrado que quer a redu o do intervalo das administra es ou o aumento da dose permitem recuperar a resposta na larga maioria dos doentes. Em rela o ao adalimumab, os doentes dever o passar de terapêutica quinzenal para semanal 5) em situa o de doen a de Crohn com cirurgia intestinal, o recurso a terapêutica de redu o da recorrência pós-cirurgia, particularmente imunossupressores e biológicos está indicado Introduction: Crohn’s disease is a chronic inflammatory disease from gastrointestinal tract. The increase in incidence and heterogeneity of this pathology, with different presentations and prognostics leads to a constant concern in developing and improving its classification and treatment. Objectives: To establish recommendations (based on level of evidence and recommendation grades) to 5 questions considered as the clinical challenges of the therapeutic approach in Crohn’s disease. Methods: The methodology adopted by the working group DC2 (Desafios Clínicos na Doen a de Crohn) was based on the selection of 5 questions, by voting, and establishing recommendations to each question proposed to each sub
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