988 resultados para Energia - Política externa brasileira


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Este artigo, de cunho eminentemente analítico, mostra que no âmbito da política macroeconômica, é necessária consistência entre as políticas monetária, fiscal, cambial e salarial para viabilizar taxas de juros reais médias inferiores às taxas de retorno médias sobre o capital, taxas de câmbio reais competitivas (em torno da taxa de “equilíbrio industrial”) e taxas de salários que evoluam de acordo com o crescimento da produtividade, condições para que se assegure o crescimento econômico sobre bases sustentáveis. Já com respeito à política industrial, é preciso perseguir estratégias de diversificação produtiva, notadamente no setor manufatureiro e nos segmentos tradable do setor de serviços, mediante a identificação de prioridades estratégicas tanto nas cadeias produtivas, segmentos e setores próximos à base de vantagem comparativa preexistente, como naqueles mais próximos à fronteira tecnológica internacional. Embora os argumentos analíticos favoreçam a estratégia de diversificação produtiva, esta não deve ser confundida com semi-autarquia, o que significa que as cadeias e setores que não sejam foco da política industrial devem ter alíquotas de importação zero ou próximas de zero.

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O objetivo do presente artigo é de analisar a Política de Defesa Comercial dos BICs nos últimos 15 anos, destacando semelhanças e contrastes. Após exame dos principais elementos da regulação dos instrumentos de defesa, como apresentados no GATT e na OMC, é avaliada a evolução das investigações iniciadas e das medidas aplicadas para cada um dos parceiros dos BICs. Tendo em vista a importância das decisões do mecanismo de solução de controvérsias na área, são também examinados os principais painéis abertos pelos BICs, bem como os painéis em que foram acionados. O artigo é concluído com algumas implicações da análise da defesa comercial dos BICs para a Política de Defesa Comercial do Brasil, no momento em que a indústria brasileira enfrenta sérios desafios.

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We had as the problem of analysis in this research: what are the assumptions, principles and general content that based the Sistema Nacional de Avaliação da Educação Superior (SINAES). We started from the hypothesis that the general content of SINAES is essentially based on the assumptions and principles of a control/regulatory perspective of evaluation and a summative epistemology, objectivist and quantitativist, constituted by members who prioritize testing and classification of courses and institutions based on market values. The overall goal was to make a political evaluation of SINAES and the specific objectives were: a) apply the concepts of politics evaluation and meta-evaluation, b) identify the role of international organizations in education reform in the 1990s and its impact on superior education in Brazil c) redeem the concept of evaluation, especially in the field of studies in education; and d) investigate the evaluation policies of Brazilian superior education leading to SINAES. As for the technical procedures for collecting and analyzing data, the research was made with bibliography and documents, considering that it was developed by bibliographic sources and official publications. It was developed by crossing sources: texts or documents remitted to others; it was also concentrated: on the role of international organizations in educational and State reforms (in the 1990s); on the policies of evaluation of the Brazilian superior education (1980s and 1990s); on the proposal of the Comissão Especial de Avaliação (CEA); on the Law No. 10.861/2004; on the documents of CONAES; on the Decree No. 5.773/2006, and the MEC Regulatory Ordinances No. 4/2008 and No. 12/2008. It did not stop in the so called purely technical aspects, but in the ideological field itself. The research found that international organizations, notably the World Bank, played a political, intellectual and financial role determinant to the field of education, a fact that reflects in the legal framework. It was also found that the politics of evaluation of the superior education is historically marked by conflict, represented by two distinct perspectives of different natures and emphases. On one hand, the focus is on control / regulation, favoring efficiency, productivity and competitiveness benchmarking and prioritizing the punctual performance and measurement. On the other, it seeks to transform academic perspective in primarily formative / emancipatory, in order to support more institutional improvement. It was concluded that the CEA presented a conception evaluation predominantly formative and emancipatory, which emphasized the idea of system, centered around the institution and repudiated the rankings practices. In the post-formulation period, however, some of its principles were fragmenting and, gradually, the institution was giving way to the courses and the Exame Nacional de Desempenho de Estudantes (ENADE) grew in prominence. With the creation of the Conceito Preliminar de Cursos superiores (CPC) and of the Índice Geral de Cursos da Instituição de Educação Superior (IGC), it was redemeed the practice of evaluation as measurement and control, under the principles of efficiency and productivity. So, SINAES that seemed like a progressive evaluation method has assumed a setting that close resembles the Exame Nacional de Cursos (ENC-Provão). Nevertheless, the survival of institutional formative evaluation, in the superior education evaluation policies, still an issue in dispute

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This Master s Thesis aims to use the theoretical models of growth with restricted balance of payments, specifically Kaldor (1970) and Thirlwall (1979) models, to analyze the behavior and the pattern of specialization of Brazilian exports and imports in the last years. It is observed that, in some periods, the pattern of specialization has contributed in restricting long-term growth of the Brazilian economy. It has been hypothesized that overall this is due to lack of structural transformation policies. To achieve this goal, it analyzed the performance of Brazilian exports and imports disaggregating them according to their technological content. The basis for comparison was a group of countries to which Brazil is inserted in, the BRIC. In this regard, the work is a comparative analysis by using descriptive statistics. It is concluded that the low rate of GDP growth experienced by Brazil since the 1980s can be explained in part by the decoupling of the Brazilian National Innovation System (NIS) and the Brazilian productive structure. This would be reducing the income elasticity of exports and raising imports, causing a pattern of specialization intensive primary commodities and labor and low-skill labor

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This study aims to investigate the influence of the balance of payments constrained on economic growth in Brazil from 1991 to 2010. With this order, are shown some of the Keynesian balance of payments constrained growth models, inspired by Thirlwall (1979) and Kaldor (1970), which are supported by important points in common, such as adherence to the principle of effective demand. Given that within this theoretical perspective, there is no consensus about the best model to explain the growth rate allowed by the balance of payments constraint, the results are presented by the representative of the empirical literature that addresses the topic, which are necessary for understand the Brazilian case. From the estimation of the income elasticity of imports (0.85) via autoregressive vectors with error correction (VEC), it was calculated five growth rates of income, as predicted by the models of Thirlwall (1979), Thirlwall and Hussain (1982), Moreno-Brid (1998, 2003) and Lourenço et al. (2011) and compared with the actual growth rate. The empirical analysis has shown that: it can not reject the presence of external constraint in the Brazilian economy, there is a strong similarity in growth rates provided by different modeling suggest that growth with external constraint. In addition, when using data in quarterly for the period after 1990 there are no factors that could cause instability in the parameters of the import function (income elasticity and price elasticity of imports) within the period, which indicates that the structural break widely associated with the year 1994 was not confirmed by this study

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Objetivou-se, neste trabalho, determinar os balanços de radiação e energia da cultura de alface (Lactuca sativa, L. cv. Verônica) em estufa de polietileno. O experimento foi realizado em uma estufa tipo túnel alto com cobertura de polietileno (100 mim de espessura) e em uma área externa, ambas com 35 m². Durante o ciclo da cultura, foram monitoradas as radiações global e refletida, saldo de radiação, fluxo de calor no solo e temperatura do ar (seca e úmida) nos dois meios. Utilizou-se um Datalogger que operou na freqüência de 1 Hz, armazenando médias de cinco minutos. A partir das integrações diárias das irradiâncias global (K¯) e refletida (K­), verificou-se que a transmissividade média da radiação global (K¯in / K¯ex) foi aproximadamente constante, em torno de 79,59%, enquanto a razão das radiações refletidas (K­in / K­ex) foi igual a 69,21% com coeficiente de variação de 8,47%. As curvas normalizadas do saldo de radiação de ondas curtas em relação à radiação global (K* / K¯), nos dois meios, mostraram ser aproximadamente constantes no início do ciclo e decrescentes no final. A relação (Rn/ K¯) foi maior no meio externo, em torno de 12%, a partir da fase em que a superfície verde da cultura cobriu o solo. O balanço médio (L*) de radiação de ondas longas foi maior no exterior, em torno de 50%. O balanço de energia, estimado em termos de fluxos verticais, mostrou, em média, que: no exterior, 83,07% do saldo de radiação foi convertido em calor latente (LE), 18,00% em fluxo de calor no solo (G) e 9,96% em calor sensível (H), enquanto que, no interior da estufa, 58,71% do saldo de radiação foi convertido em LE, 42,68% em H e 28,79% em G.

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Unfortunately, the Brazilian politics has been characterized by lack of ethics. In a few exceptions, our representatives often behave in the exercise of power as if they were there to care for their own interests and not public affairs. Despite the dissatisfaction that the situation seems to trigger to society, the electorate does not get to transform their anger into effective gesture in order to withdraw from the public setting people who can not fulfill their mandate at the polls. Instead, the re-election of bad politicians has become commonplace fact. In this study, we proposed to discuss the matter in light of traditional philosophical theories, by selecting exponents of ethical thought from the Ancient Period to the Modern. We put special emphasis on behalf of amorality in Florentine thinker's ideas, to Machiavelli s political doctrine.

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Este artigo aborda características de três campos responsáveis pelo perfil do trabalho pedagógico escolar com a mídia: os meios de comunicação, as instituições acadêmicas e a própria escola. Procura-se, então, destacar as dificuldades para a consolidação desses campos no cenário escolar. O texto, enfim, ressalta a necessidade de politização da escola a partir do trabalho com a mídia, para melhorar as condições de diálogo entre a escola e os agentes externos.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)