Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Marcela De Marillac Carvalho"'
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 43, Iss 2 (2022)
Models for count data which are temporally correlated have been studied using many conditional distributions, such as the Poisson distribution, and the insertion of different dependence structures. Nonetheless, excess of zeros and over dispersion may
Externí odkaz:
https://doaj.org/article/d9841bc907fb457b88d81aa232944e45
Volatilidade de dados intradiários: comportamento multiescala do Ibovespa frente à pandemia COVID-19
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 42, Iss 1Supl, Pp 25-34 (2021)
Em mercados financeiros, a modelagem da volatilidade vem sendo uma estratégia muito utilizada por refletir as incertezas sobre as variações dos preços dos ativos. Incorporando peculiaridades de séries financeiras, este estudo estimou a volatilid
Externí odkaz:
https://doaj.org/article/b2b3a842aa814dde9a5c346e261df0f4
Autor:
Luiz Otávio de Oliveira Pala, Marcela de Marillac Carvalho, Paulo Henrique Sales Guimarães, Thelma Sáfadi
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 41, Iss 1, Pp 79-86 (2020)
Com as mudanças nos padrões de risco, novos produtos de seguros são disponibilizados no mercado, atendendo as demandas do consumidor. Consequentemente, os modelos de precificação são reestruturados de modo a gerenciar os níveis de risco e esta
Externí odkaz:
https://doaj.org/article/4d7e8acf910d45209ee8fc7634f19775
Publikováno v:
Semina: Ciências Exatas e Tecnológicas. 43:147-160
Models for count data which are temporally correlated have been studied using many conditional distributions, such as the Poisson distribution, and the insertion of different dependence structures. Nonetheless, excess of zeros and over dispersion may
Publikováno v:
Brazilian Journal of Biometrics. 40
Risk and exposure factors are important features to be considered, providing financial and actuarial information for the insurer. Pricing methods aresupported by the mutualism theory, ensuring a level of indemnity and expected cost, making possible t
Publikováno v:
J Appl Stat
Risk management of stock portfolios is a fundamental problem for the financial analysis since it indicates the potential losses of an investment at any given time. The objective of this study is to use bivariate static conditional copulas to quantify
Autor:
Thelma Sáfadi, Gabriel Rodrigo Gomes Pessanha, Marcela de Marillac Carvalho, Luiz Otávio de Oliveira Pala
Publikováno v:
SN Business & Economics
The multivariate dependence plays an important role in financial instrument management. Due to the inherent characteristics in the financial market, such as heavy tails in the returns unconditional distribution and asymmetry between gain and loss, we
Publikováno v:
Semina: Ciências Exatas e Tecnológicas. 42:25
In financial markets, volatility modeling has been a strategy widely used because it reflects uncertainties about changes in asset prices. Incorporating peculiarities of financial series, this study estimated the volatility for the intraday index of
Autor:
Marcela de Marillac Carvalho, Paulo Henrique Sales Guimarães, Thelma Sáfadi, Luiz Otávio de Oliveira Pala
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 41, Iss 1, Pp 79-86 (2020)
Com as mudanças nos padrões de risco, novos produtos de seguros são disponibilizados no mercado, atendendo as demandas do consumidor. Consequentemente, os modelos de precificação são reestruturados de modo a gerenciar os níveis de risco e esta