- About
-
The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
Search results
Showing 51 to 58 of 58 (0.013 seconds)| 51 |
Criação de valor ao acionista: estudo da experiência de empresas privadas de capital aberto no Brasil, no período 1993 a 1998Malvessi, Oscar 17 September 2001 (has links)
Made available in DSpace on 2010-04-20T20:08:14Z (GMT). No. of bitstreams: 0
Previous issue date: 2001-09-17T00:00:00Z / O estudo é uma análise do desempenho econômico financeiro das empresas privadas de capital aberto estabelecidas no Brasil, no período de 1993 a 1998, com base nas demonstrações financeiras divulgadas. Usa como instrumento de análise a estrutura e os conceitos da abordagem de Criação de Valor ao Acionista. Utiliza e testa os conceitos de Valor Econômico Criado VEC e Valor Adicionado pelo Mercado VAM, comparando-os com os conceitos da abordagem convencional de análise econômico-financeira como o Lucro Líquido - LL, Lucro por Ação - LPA, Retomo Sobre os Ativos – RSA e o Retomo sobre o Patrimônio Líquido- RSPL.
|
| 52 |
A crise norte-americana do subprime: medindo o contágio para os BRICS / The North-American subprime crisis: measuring contagion to the BRICsMariana Orsini Machado de Sousa 15 August 2011 (has links)
Uma característica marcante da recente crise financeira que ocorreu entre 2007 e 2009, conhecida como \"A Crise do Subprime\", foi quão rapidamente se propagou por todo o mundo. Entretanto, a maior parte da evidência empírica até o presente momento mostra que no início da crise (jun/07 - ago/08) a resposta das economias emergentes foi limitada. Este trabalho corrobora este fato, bem como a rápida saída da crise, para um grupo de países emergentes em acelerado processo de desenvolvimento: Brasil, Rússia, Índia e China, os BRICs. Encontramos ainda evidências de que a China exerceu, principalmente durante a crise, forte impacto positivo nos BRICs, o que nos levou a concluir que este foi um fator importante para que fossem menos afetados, quando comparados com economias desenvolvidas como os EUA. Também mostramos que países dentre os BRICs cuja atividade econômica apresenta maior semelhança - Brasil X Rússia e Índia X China - são afetados de modo geral de forma análoga e observamos ainda evidência de notáveis ligações financeiras entre os países do grupo. Por último, notamos que variáveis reais dos BRICs responderam com menor intensidade aos efeitos da crise quando comparadas a variáveis financeiras do próprio grupo e variáveis reais de países desenvolvidos. Para o estudo, utilizamos modelos S-VAR, VEC e testes de cointegração em painel, este último para os modelos com variáveis macroeconômicas reais. Também utilizamos um índice de propagação de calor, desenvolvido pelo Fundo Monetário Internacional (FMI), que mede a intensidade dos efeitos da crise nas variáveis para cada instante do tempo. / One of the main characteristics of the recent financial crisis that took place between 2007 and 2009, known as \"The Subprime Crisis\", was how fast it spread all around the globe. Nevertheless, most empirical evidence shows that at the beginning of the crisis (Jun/07- Aug/08) emerging markets\' response was limited. This present study corroborates this idea for a fast raising group of emerging economies: Brazil, Russia, India and China, the BRICs. We show as well how rapid these economies have managed to get out of the crisis and the not negligent positive impact that China had in all of them, especially during the crisis period. We infer that China\'s booming economy must have been one of the main factors that made the crisis\' impact reduced for the BRICs when compared to developed countries such as the US. We also show that countries among the BRICs that have more similarities - Brazil X Russia and India X China - were in general affected in an analogous way and we observe that there are strong financial links between group members. Last, we find that the crisis\' effect on real BRIC\'s macroeconomic variables was not as intense as those on developed countries or on BRIC\'s financial variables. For this study, we use S-VAR, VEC and Panel Cointegration Models. This last one was used for models with real macroeconomic variables. To draw our conclusions, we also utilize a Heat Index which has been developed by the International Monetary Fund (IMF).This index is a measure of the crisis\' effects intensity on economic variables through time.
|
| 53 |
Cross-Border Effects of Fiscal Policies / Přeshraniční dopady fiskálních politikMaleček, Petr January 2015 (has links)
This study seeks to analyse and quantify cross-border effects of discretionary fiscal policies from two major points of view. The aggregate approach rests on the use of the structural vector autoregression model (SVAR) and its extension, the global vector autoregression model (GVAR). The discretionary fiscal impulse itself is then defined as a change in cyclically adjusted balance of the government sector, calculated at quarterly frequencies. This section is then complemented by a case study of a single measure: the German car scrapping scheme during 2009 and its effects on the Czech economy. It was found that cross-border effects of discretionary fiscal policies may be indeed present, in case certain conditions are met. Importantly, a fiscal impulse has to originate from a sufficiently large economy and there needs to be a tight trade linkage between examined countries. In most cases, cross-border effects have also been found of lesser magnitude than direct impacts of fiscal policies on the domestic country. Finally, as demonstrated on the German-Czech case, even a single fiscal measure can trigger substantial cross-border spillovers. It was estimated that this measure positively contributed to real GDP growth in 2009 in the Czech Republic by 0.44 pp.
|
| 54 |
Dívida pública brasileira 1995-2005: alongamento e perfil de indexaçãoSiqueira, Jorge Cesar 16 May 2007 (has links)
Made available in DSpace on 2016-04-26T20:48:48Z (GMT). No. of bitstreams: 1
Jorge C Siqueira.pdf: 785030 bytes, checksum: 11ecce584ab79026b6028037746e40c4 (MD5)
Previous issue date: 2007-05-16 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / ABSTRAT The purpose of this study is to present and discuss the main impacts the indexation profile and the term-structure of the public debt may inflict on the debt´s trajectory. The main result of the study suggests that there may exist a vicious circle stemming from the relationship between the rise of the short-term interest rate of the Brazilian economy and the growing-path behavior of its public debt. It is stated that this movement may be a consequence of the uniqueness of the structure of Brazilian public debt, which is largely composed by short-term securities pegged to the short-term interest rate of the economy (Selic). In order to demonstrate this statement, the approach taken up rests on two models of public debt administration and on the analysis of these models in reference to the behavior of the level and the profile of indexation and term-structure of the public debt between 1995 and 2005. Therefore, our effort seeks to present the workings of this supposed vicious circle and its impacts on the behavior of the Brazilian public debt. In addition, in order to estimate exercises which may, at some length, corroborate the main idea proposed by this study, we make use of some econometric tools, such as Vector auto-regressions models and Vector Erros Corretions / O objetivo desse trabalho é apresentar e discutir os principais impactos que o perfil de indexação e prazo da dívida pública brasileira podem exercer sobre a trajetória da dívida. O principal resultado desse trabalho sugere a existência de um círculo vicioso entre elevações na taxa de juros de curto prazo da economia brasileira e a evolução crescente da dívida pública. Sugere-se que esse movimento possa ser conseqüência da peculiaridade da dívida pública brasileira, que se traduz numa dívida representada em grande parte por títulos de curto prazo e indexados a taxa de juros de curto prazo da economia (Selic). Para isso, utiliza-se uma abordagem que envolve a apresentação de dois modelos de administração de dívida pública e a análise desses modelos em conjunto com a evolução do nível e do perfil de indexação e prazo da dívida pública brasileira durante o período de 1995 - 2005. Dessa maneira, tenta-se apresentar o funcionamento desse suposto círculo vicioso e seus impactos para a evolução da dívida pública brasileira. Ainda utiliza-se o instrumental econométrico dos modelos Vetores auto-regressivos (VAR) e Vetores de Correção de Erros (VEC) para se estimarem exercícios que de certa forma corroboram a principal idéia sugerida nesse trabalho
|
| 55 |
Analýza a klasifikace dat ze snímače mozkové aktivity / Data Analysis and Clasification from the Brain Activity DetectorJileček, Jan January 2019 (has links)
This thesis aims to implement methods for recording EEG data obtained with the neural activity sensor OpenBCI Ultracortex IV headset. It also describes neurofeedback, methods of obtaining data from the motor cortex for further analysis and takes a look at the machine learning algorithms best suited for the presented problem. Multiple training and testing datasets are created, as well as a tool for recording the brain activity of a headset-wearing test subject, which is being visually presented with cognitive challenges on the screen in front of him. A neurofeedback demo app has been developed, presented and later used for calibration of new test subjects. Next part is data analysis, which aims to discriminate the left and right hand movement intention signatures in the brain motor cortex. Multiple classification methods are used and their utility reviewed.
|
| 56 |
Geochemie Porifera-reicher Mud Mounds und Mikrobialithe des Mittel- und Oberdevons (Westaustralien, Nordfrankreich) / Geochemistry of Porifera-rich mud mounds and microbialites of the Middle and Upper Devonian (Western Australia, Northern France)Hühne, Cathrin 07 November 2005 (has links)
No description available.
|
| 57 |
The relationship between the forward– and the realized spot exchange rate in South Africa / Petrus Marthinus Stephanus van HeerdenVan Heerden, Petrus Marthinus Stephanus January 2010 (has links)
The inability to effectively hedge against unfavourable exchange rate movements, using the
current forward exchange rate as the only guideline, is a key inhibiting factor of international
trade. Market participants use the current forward exchange rate quoted in the market to make
decisions regarding future exchange rate changes. However, the current forward exchange rate
is not solely determined by the interaction of demand and supply, but is also a mechanistic
estimation, which is based on the current spot exchange rate and the carry cost of the
transaction. Results of various studies, including this study, demonstrated that the current
forward exchange rate differs substantially from the realized future spot exchange rate. This
phenomenon is known as the exchange rate puzzle.
This study contributes to the dynamics of modelling exchange rate theories by developing an
exchange rate model that has the ability to explain the realized future spot exchange rate and
the exchange rate puzzle. The exchange rate model is based only on current (time t) economic
fundamentals and includes an alternative approach of incorporating the impact of the interaction
of two international financial markets into the model. This study derived a unique exchange rate
model, which proves that the exchange rate puzzle is a pseudo problem. The pseudo problem
is based on the generally excepted fallacy that current non–stationary, level time series data
cannot be used to model exchange rate theories, because of the incorrect assumption that all
the available econometric methods yield statistically insignificant results due to spurious
regressions. Empirical evidence conclusively shows that using non–stationary, level time series
data of current economic fundamentals can statistically significantly explain the realized future
spot exchange rate and, therefore, that the exchange rate puzzle can be solved.
This model will give market participants in the foreign exchange market a better indication of
expected future exchange rates, which will considerably reduce the dependence on the
mechanistically derived forward points. The newly derived exchange rate model will also have an influence on the demand and supply of forward exchange, resulting in forward points that are
a more accurate prediction of the realized future exchange rate. / Thesis (Ph.D. (Risk management))--North-West University, Potchefstroom Campus, 2011.
|
| 58 |
The relationship between the forward– and the realized spot exchange rate in South Africa / Petrus Marthinus Stephanus van HeerdenVan Heerden, Petrus Marthinus Stephanus January 2010 (has links)
The inability to effectively hedge against unfavourable exchange rate movements, using the
current forward exchange rate as the only guideline, is a key inhibiting factor of international
trade. Market participants use the current forward exchange rate quoted in the market to make
decisions regarding future exchange rate changes. However, the current forward exchange rate
is not solely determined by the interaction of demand and supply, but is also a mechanistic
estimation, which is based on the current spot exchange rate and the carry cost of the
transaction. Results of various studies, including this study, demonstrated that the current
forward exchange rate differs substantially from the realized future spot exchange rate. This
phenomenon is known as the exchange rate puzzle.
This study contributes to the dynamics of modelling exchange rate theories by developing an
exchange rate model that has the ability to explain the realized future spot exchange rate and
the exchange rate puzzle. The exchange rate model is based only on current (time t) economic
fundamentals and includes an alternative approach of incorporating the impact of the interaction
of two international financial markets into the model. This study derived a unique exchange rate
model, which proves that the exchange rate puzzle is a pseudo problem. The pseudo problem
is based on the generally excepted fallacy that current non–stationary, level time series data
cannot be used to model exchange rate theories, because of the incorrect assumption that all
the available econometric methods yield statistically insignificant results due to spurious
regressions. Empirical evidence conclusively shows that using non–stationary, level time series
data of current economic fundamentals can statistically significantly explain the realized future
spot exchange rate and, therefore, that the exchange rate puzzle can be solved.
This model will give market participants in the foreign exchange market a better indication of
expected future exchange rates, which will considerably reduce the dependence on the
mechanistically derived forward points. The newly derived exchange rate model will also have an influence on the demand and supply of forward exchange, resulting in forward points that are
a more accurate prediction of the realized future exchange rate. / Thesis (Ph.D. (Risk management))--North-West University, Potchefstroom Campus, 2011.
|
Page generated in 0.0201 seconds