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Uma anÃlise do sentimento dos empresÃrios brasileiros dos setores de produtos alimentares e metalurgia no perÃodo 2002 â 2012 / An analysis of the feeling of Brazilian businessmen from the food industries and metallurgy in the period 2002 - 2012Magna Maria dos Santos Bruno 13 February 2014 (has links)
nÃo hà / A partir de dados mensais dos Ãndices de confianÃa de produtos alimentares e metalurgia da
FGV, jà ajustados sazonalmente pela prÃpria instituiÃÃo, o presente trabalho avalia como a
instabilidade econÃmica do perÃodo de 2002 a 2012 impactou nesses Ãndices. Foi selecionada
uma amostra de 133 observaÃÃes, no referido perÃodo e Ãs duas variÃveis supracitadas foi
aplicado um modelo autoregressivo com valor limite endÃgeno objetivando captar mudanÃas
de regime na dinÃmica descrita pelos Ãndices de confianÃa jà citados, bem como de descrever
o processo estocÃstico descrito pelas variÃveis selecionadas. Os indicadores qualitativos para
essas variÃveis foram entÃo calculados e a metodologia permitiu investigar a linearidade e
estacionaridade de suas trajetÃrias, produzindo resultados que revelaram as seguintes
situaÃÃes para os Ãndices: i) o Ãndice de metalurgia apresentou uma dinÃmica nÃo linear e raiz
unitÃria parcial com valor limite endÃgeno estimado de -5,94 pontos percentuais; ii) o Ãndice
de produtos alimentares apresentou dinÃmica linear e estacionaridade da sÃrie. Em conjunto,
tais constataÃÃes sugerem que a confianÃa do empresariado do seguimento de produtos
alimentares, pertencente ao setor de consumo nÃo cÃclico, foi abalada em menor magnitude no
perÃodo de instabilidade econÃmica que a confianÃa do empresariado do seguimento de
produtos de metalurgia, pertencente ao setor de consumo cÃclico. Intuitivamente conclui-se
que atravÃs da estimaÃÃo dos Ãndices que os referidos seguimentos tambÃm sofreram impactos
de intensidades diferentes no contexto macroeconÃmico investigado. / From monthly data confidence indexes of food and metallurgy FGV, already seasonally
adjusted by the institution itself, this study assesses how the economic instability of the period
of 2002 to 2012 impacted these indexes. A sample of 133 observations was selected during
that period to these two variables and an autoregressive model was applied with endogenous
threshold value aiming to capture regime changes in the dynamics described by the
confidence indices mentioned above, as well as describe the stochastic process described by
the variables selected. The qualitative indicators for these variables were then calculated and
the methodology allowed to investigate the linearity and stationarity of their trajectory,
producing results that revealed the following situations for index: i) the index of metallurgy
presented a nonlinear dynamic and partial unit root limit endogenous estimated -5.94
percentage points, ii) the index of food presented linear dynamics and stationarity of the
series. Together, these findings suggest that the businessman confidence of following food
products belonging to the consumer non-cyclic sector was shaken at a lower intensity in the
period of economic instability that businessman confidence following the metallurgy products
belonging to the sector consumer cyclic. Intuitively it is concluded that by estimating the
indices that these segments also suffered impacts of different intensities in the
macroeconomic context investigated.
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Konjunkturní průzkumy ve vybraných zemích a jejich předpovědní schopnost / Business tendency surveys in selected countries and their forecasting abilityBřezinová, Eliška January 2013 (has links)
Business tendency survey as a part of expectations surveys should provide valuable information on the future evolution of the economy represented by the indicator of gross domestic product. The thesis contains a brief description of the Harmonized System of the Business tendency survey that is created by the European Commission and the OECD. The system provides advice and recommendation to member and non member countries of the European Union. The aim of this thesis is to compare models containing gross domestic product and the various confidence indicators compiled for the six selected countries of the European Union. Emphasis is placed on verification of the ability of each indicator to predict the evolution of gross domestic product. The thesis uses appropriate methods of time series analysis, especially cointegration analysis and VAR models.
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Analýza konjunkturálních průzkumů / Analysis of the Business Cycle SurveysBallarinová, Marie January 2012 (has links)
The aim of this diploma thesis is to describe the problematic of business cycle and consumer surveys and represent their current development and usage. The secondary objective is to link economical and statistical bonds of business cycle surveys. First, the work describes the basic definition of business cycle surveys and their users. Further it is graphically and theoretically evaluating the current development of particular confidence indicators and their sub-questions. Subsequently is in frame of the current economic development compared development of leading indicators with the development of gross domestic product (calculated using the production method) using the HP filter. In the last part of the work are modeled one-dimensional ARIMA time series models of branch confidence indicators. Result of the work is business cycle surveys analysis in terms of basic economical and statistical ties. Completed work should serve as a material to understand business cycle survey and their importance in frame of economy development.
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A relação dos indicadores de confiança com o crescimento econômicoAranha, Danielle Macedo 29 August 2017 (has links)
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Previous issue date: 2017-08-29 / The objective of this work is to understand how the confidence indexes can be used as predictors of GDP estimated by two methods: Ordinary Least Squares (OLS) method and Autoregressive Vectors (VAR), with estimates outside the sample. The period adopted for this work comprises the beginning of 2002 until May 2017, considering all the quarterly series. The series adopted were taken from surveys published by the Brazilian Institute of Economics (IBRE) of the Getulio Vargas Foundation and the Brazilian Institute of Geography and Statistics (IBGE). We have identified that confidence indicators may be good predictors of economic growth, however, they could not be used in isolation to determine the changing trend of the economic cycle. In addition, the inclusion of macroeconomic variables did not eliminate the predictive power of confidence indicators. It was verified through the models that they have a significant weight that can partially explain the cycle of economic activity, but the short period of the variables is still limiting for their complete evaluation, especially when trying to verify their short-term relationship. / O trabalho tem como objetivo compreender como os índices de confiança podem ser utilizados como previsores do PIB estimados por dois métodos: método dos Mínimos Quadrados Ordinários (MQO) e Vetores Autoregressivos (VAR), com previsões fora da amostra. O período adotado para este trabalho compreende o início de 2002 até maio de 2017, considerando todas as séries trimestrais. As séries adotadas foram extraídas das pesquisas divulgadas pelo Instituto Brasileiro de Economia (IBRE) da Fundação Getulio Vargas e pelo Instituto Brasileiro de Geografia e Estatística (IBGE). Identificamos que os indicadores de confiança podem ser bons preditores do crescimento econômico, contudo, não poderiam ser usados isoladamente para determinar a mudança de tendência do ciclo econômico. Adicionalmente, a inclusão de variáveis macroeconômicas não eliminou o poder preditivo dos indicadores de confiança. Verificou-se através dos modelos que eles possuem um peso significante que podem explicar parcialmente o ciclo da atividade econômica, mas o curto período das variáveis ainda é limitador para sua completa avaliação, principalmente, quando se tenta verificar sua relação de curto prazo.
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