5   Artículos

 
en línea
Erika Carlos Medeiros, Leandro Maciel Almeida and José Gilson de Almeida Teixeira Filho    
Aquatic products are popular among consumers, and their visual quality used to be detected manually for freshness assessment. This paper presents a solution to inspect tuna and salmon meat from digital images. The solution proposes hardware and a protoco... ver más
Revista: Informatics    Formato: Electrónico

 
en línea
Leandro dos Santos Maciel,Rosangela Ballini     Pág. 66 - 84
Bitcoin has attracted the attention of investors lately due to its significant market capitalization and high volatility. This work considers the modeling and forecasting of daily high and low Bitcoin prices using a fractionally cointegrated vector autor... ver más
Revista: Revista Brasileira de Finanças    Formato: Electrónico

 
en línea
Leandro Maciel,Rosangela Ballini     Pág. 80 - 99
Stock exchange automation, characterized by the replacement of floor trading systems by electronic trading systems, is one of the main restructuring processes observed in global capital markets in recent decades. This paper investigates the effects of au... ver más
Revista: Revista Brasileira de Finanças    Formato: Electrónico

 
en línea
Leandro Maciel     Pág. 337 - 367
Forecasting stock market returns volatility is a challenging task that has attracted the attention of market practitioners, regulators and academics in recent years. This paper proposes a Fuzzy GJR-GARCH model to forecast the volatility of S&P 500 and Ib... ver más
Revista: Revista Brasileira de Finanças    Formato: Electrónico

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