Zobrazeno 1 - 10
of 81
pro vyhledávání: '"Pedro Henrique Melo Albuquerque"'
Autor:
Yaohao Peng, Pedro Henrique Melo Albuquerque, Herbert Kimura, Cayan Atreio Portela Bárcena Saavedra
Publikováno v:
Machine Learning with Applications, Vol 5, Iss , Pp 100060- (2021)
This paper analyzes the factor zoo, which has theoretical and empirical implications for finance, from a machine learning perspective. More specifically, we discuss feature selection in the context of deep neural network models to predict the stock p
Externí odkaz:
https://doaj.org/article/932639e9af1e45c58ea469a6b456bb54
Autor:
Marcelo Fernando Felix de Oliveira, Pedro Henrique Melo Albuquerque, Peng Yao Hao, Pedro Alexandre Henrique
Publikováno v:
Gestão & Produção, Vol 27, Iss 3 (2020)
Abstract: The objective of this study is to develop a quantitative tool, based on Machine Learning and Geomarketing to identify business opportunities and contribute to the strategic process of local choice of franchises’ network selecting regions
Externí odkaz:
https://doaj.org/article/20c621b1d2cc4f71872c1f6d53997a83
Publikováno v:
RAE: Revista de Administração de Empresas, Vol 58, Iss 4, Pp 405-417 (2018)
In recent years, Brazil has faced economic and political crises resulting from the actions of an elaborate syndicate of corruption in the government. The financial literature points to two lines of thought related to corruption. One line defends the
Externí odkaz:
https://doaj.org/article/9c90a91de06a451c9155cdb553730896
Publikováno v:
Revista Contemporânea de Contabilidade, Vol 15, Iss 34, Pp 94-114 (2018)
The capital structure is being studied deeply from the works of Modigliani and Miller (1958 and 1963). In this context, researchers have been trying to explain the use of several used capital structures and their applications. Thus, this research see
Externí odkaz:
https://doaj.org/article/bc4a0a4086e648eb901ea8feec7f1f0d
Autor:
Mateus Martins, Josivania Silva Farias, Pedro Henrique Melo Albuquerque, Danilo Santana Pereira
Publikováno v:
BBR: Brazilian Business Review, Vol 15, Iss 6, Pp 568-588 (2018)
This study aims to verify the acceptance of e-books by identifying the effects of the variables Performance Expectancy, Effort Expectancy, Social Influence, Facilitating Conditions, Habit, Price Value, and Hedonic Motivation, moderated by Age, Gender
Externí odkaz:
https://doaj.org/article/47256ac0b7ce4aa784b66ae982ae1d38
Autor:
Catarina Cecília Odelius, Rafael Nishino Ono, Gardênia da Silva Abbad, Pedro Henrique Melo Albuquerque
Publikováno v:
RAC: Revista de Administração Contemporânea, Vol 20, Iss 2, Pp 175-196 (2016)
A scale for measurement of Teamwork Attitudes and Skills (TAS) of research groups (components of competencies) is developed in this study, based on previous research and studies by Odelius and Sena (2009) and Odelius et al. (2011). Data were collec
Externí odkaz:
https://doaj.org/article/d855e4719724462e8e483d0bf182340f
Publikováno v:
RAE: Revista de Administração de Empresas, Vol 58, Iss 4 (2018)
O Brasil apresentou, nos últimos anos, um cenário de crise econômica e política, resultado do funcionamento de uma elaborada rede de corrupção no governo. A literatura financeira aponta duas linhas de pensamento relacionadas ao tema corrupção
Externí odkaz:
https://doaj.org/article/dcf77c7ac624401294612b2fc3249fe5
Autor:
Paulo Augusto P. de Britto, Vander Mendes Lucas, Paulo César Coutinho, Alexandre Xavier Ywata de Carvalho, André Luís Rossi de Oliveira, Paulo Roberto Barbosa Lustosa, Pedro Henrique Melo Albuquerque, Adelaida Pallavicini Fonseca
Publikováno v:
Revista de Administração Pública, Vol 49, Iss 1, Pp 47-72 (2015)
O crescimento da demanda por serviços em setores de infraestrutura, associado à falta de investimentos públicos, induziu políticas de promoção da participação privada. No setor portuário isso se deu no início da década de 1990, quando o cr
Externí odkaz:
https://doaj.org/article/3784d03ef50849a9aa87e3dddbee7ae5
Autor:
Yaohao Peng, Pedro Henrique Melo Albuquerque, Igor Ferreira do Nascimento, João Victor Freitas Machado
Publikováno v:
Entropy, Vol 21, Iss 4, p 376 (2019)
This paper discusses the effects of introducing nonlinear interactions and noise-filtering to the covariance matrix used in Markowitz’s portfolio allocation model, evaluating the technique’s performances for daily data from seven financial market
Externí odkaz:
https://doaj.org/article/dd75fef1d3aa48a69e39ab22a1ea9f56
Autor:
Alexandre Xavier Ywata de Carvalho, Camilo Rey Laureto, Marina Garcia Pena, Pedro Henrique Melo Albuquerque, Waldery Rodrigues Junior
Publikováno v:
Revista Brasileira de Estudos de População, Vol 30, Iss 2, Pp 567-594 (2013)
Os índices de segregação têm o intuito de avaliar a distribuição, mais especificamente, a dispersão ou a concentração de certo grupo em determinado espaço, como uma região geográfica. Enquanto uma análise mais qualitativa dos fatores def
Externí odkaz:
https://doaj.org/article/9955a19ab39a4829b7dfd4bdfd9d6b79