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Cultura Financeira dos Investidores e Diversificação das Carteiras

Mendes, Victor; Abreu, Margarida - ISEG - School of Economics and Management, Department … - 2006

This paper studies the factors that determine the financial literacy level of the Portuguese individual investors and explores the relation between financial literacy and financial behavior, particularly portfolio diversification. Our results suggest that the average financial literacy level of...

Persistent link: https://www.econbiz.de/10005463731

Aplicação de modelos dinâmicos bayesianos para projeção de arrecadação tributária

Gadelha, Sérgio Ricardo B.; Medrano, Luis Alberto Toscano - 2020

In this study, we undertook an econometric analysis aim to forecast the disaggregated series of ICMS administered by … three types of results: i) the evaluation of the forecast; ii) the elasticity of the tax in relation to the relevant … validate the forecast displayed a quite reasonable performance. From about 20 series for each state, approximately 80% register …

Persistent link: https://www.econbiz.de/10012616488

Previsão de inflação: análise preliminar de desempenho de técnicas de machine learning

Santos, Francisco; Nolau, Izabel - 2022

In this Discussion Paper, we test forecasting models for inflation and economic activity with macroeconomic data and economic surveys between January 2002 and October 2019 on a monthly basis. Due to the high dimension nature of the set of explanatory variables, we use machine learning (ML)...

Persistent link: https://www.econbiz.de/10014486096

Um modelo econométrico para previsão de consumo residencial de energia elétrica no Brasil

de Mendonça, Mário Jorge Cardoso; Lavagnol, Marcus … - 2019

the purpose of making projections. The different forecast validation criteria calculated for a 12-month horizon showed … very satisfactory results. In all cases, MLD had a forecast error within the 3% range, taken as a reference for the …

Persistent link: https://www.econbiz.de/10012146853