Results 41 to 50 of about 7,920 (199)

Predicting Financial Extremes Based on Weighted Visual Graph of Major Stock Indices

Complexity, Volume 2019, Issue 1, 2019., 2019
Understanding and predicting extreme turning points in the financial market, such as financial bubbles and crashes, has attracted much attention in recent years. Experimental observations of the superexponential increase of prices before crashes indicate the predictability of financial extremes.
Dong-Rui Chen, Chuang Liu, Yi-Cheng Zhang, Zi-Ke Zhang, Lucia Valentina Gambuzza   +4 more
wiley   +1 more source

Females on Board, Stakeholder Orientation, and ESG Disclosure: An Evidence From the Tourism and Transportation Industries

Business Strategy and the Environment, Volume 35, Issue 1, Page 84-107, January 2026.
ABSTRACT In the tourism and transportation (T&T) industries, female directors' contributions are undervalued despite the strong emphasis on board gender diversity in management research. We investigate whether the impact of multiple board gender diversity measures on environmental, social, and governance (ESG) practices varies between shareholder‐ and ...
Akrum Helfaya, Phuong Bui, Ahmed Aboud
wiley   +1 more source

Using Internet Search Trends and Historical Trading Data for Predicting Stock Markets by the Least Squares Support Vector Regression Model

Computational Intelligence and Neuroscience, Volume 2018, Issue 1, 2018., 2018
Historical trading data, which are inevitably associated with the framework of causality both financially and theoretically, were widely used to predict stock market values. With the popularity of social networking and Internet search tools, information collection ways have been diversified.
Ping-Feng Pai, Ling-Chuang Hong, Kuo-Ping Lin, Paolo Gastaldo   +3 more
wiley   +1 more source

A Financeirização das grandes empresas, investidores passivos e mercado de ETFs: O capitalismo do século XXI no Brasil

Tomo, 2022
O objetivo desse artigo foi analisar se as estratégias de grandes gestores de investimentos têm impactado a estrutura de propriedade de grandes empresas listadas na bolsa brasileira e na ampliação da oferta defundos de índices (ETFs).A partir das ...
Martin Mundo Neto, Julio Cesar Donadone, Wellington Afonso Desidério   +2 more
doaj   +1 more source

Economic Feasibility of Crop‐Livestock Integration System in Brazil

Agribusiness, Volume 41, Issue 4, Page 1028-1038, Autumn 2025.
ABSTRACT We investigate the economic feasibility of the Brazilian crop‐livestock integration system. Under this system, the Brazilian farmer can produce soybeans, corn, and graze for cattle on the same land during one crop year. This technology can substantially increase agricultural production in the country.
Yuri C. D. Calil, Luis Ribera
wiley   +1 more source

Entropia da informação e ranking das empresas do IBOVESPA

Revista Catarinense da Ciência Contábil, 2022
Este estudo analisa os pesos de indicadores multidimensionais de desempenho para determinar o ranking das empresas listadas no índice Bovespa. Trata-se de uma pesquisa quantitativa por meio do método multicritério entropia da informação, em que os ...
Lucas Benedito Gomes Rocha Ferreira, Crisiane Teixeira da Silva, Luiz Fernando Câmara Viana, Tatiane Meurer   +3 more
doaj   +1 more source

An Accelerated Fixed‐Point Algorithm Applied to Quadratic Convex Separable Knapsack Problems

Journal of Control Science and Engineering, Volume 2024, Issue 1, 2024.
In this article, we propose a root‐finding algorithm for solving a quadratic convex separable knapsack problem, which is more straightforward than existing methods and competitive in practice. Besides, we also present an extension of the proposal, which improves its computational time, and then we incorporate the accelerated Anderson’s and Aitken’s ...
Atécio Alves, Jônatas O. L. Silva, Luiz C. Matioli, Paulo S. M. Santos, Sissy S. Souza, Radek Matušů   +5 more
wiley   +1 more source

Are Price Limits on Futures Markets That Cool? Evidence from the Brazilian Mercantile and Futures Exchange [PDF]

This paper investigates the impact of price limits on the Brazilian futures markets using high frequency data. The aim is to identify whether there is a cool-off or a magnet effect.
Marcelo Fernandes, Marco Aur�lio dos Santos Rocha   +1 more
core   +3 more sources

O uso de quartis para a aplicação dos filtros de Graham na Bovespa (1998-2009) The use of quartiles to apply Grahams filters to Bovespa (1998-2009)

Revista Contabilidade & Finanças, 2010
Com o objetivo de avançar na compreensão do mercado acionário brasileiro e de analisar estratégias adequadas para o pequeno investidor, propõe-se uma análise da aplicação dos filtros de Graham para a seleção de ativos na Bovespa no período de 1998 a 2009.
Alysson Ramos Artuso, Anselmo Chaves Neto   +1 more
doaj   +1 more source

Bayesian analysis of FIAPARCH model: an application to São Paulo stock market [PDF]

, 2010
In this paper, we develop a Bayesian analysis of a FIAPARCH(p,d,q) model for parameter estimation and conditional variance prediction. In order to study the inference problem we use the Metropolis-Hastings algorithm.This methodology is illustrated in a ...
Pereira, Isabel, Safadi, Thelma
core   +1 more source