56   Artículos

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en línea
This paper investigates a novel optimization problem motivated by sparse, sustainable and stable portfolio selection. The existing benchmark portfolio via the Dantzig type optimization is used to construct a sparse, sustainable and stable portfolio. Base... ver más
Revista: Sustainability    Formato: Electrónico

 
en línea
Ke Ma, Libiao Bai, Yichen Sun, Tong Pan, Victor Shi and Yipei Zhang    
Multiple internal conflicts and external emergencies can occur when an enterprise implements a project portfolio (PP), making the PP inevitably deviate from the enterprise?s strategic objectives. As a means of project portfolio change (PPC) that aims to ... ver más
Revista: Buildings    Formato: Electrónico

 
en línea
Apichat Chaweewanchon and Rujira Chaysiri    
With the advances in time-series prediction, several recent developments in machine learning have shown that integrating prediction methods into portfolio selection is a great opportunity. In this paper, we propose a novel approach to portfolio formation... ver más
Revista: International Journal of Financial Studies    Formato: Electrónico

 
en línea
Weiping Wu, Lifen Wu, Ruobing Xue and Shan Pang    
This paper revisits the dynamic MV portfolio selection problem with cone constraints in continuous-time. We first reformulate our constrained MV portfolio selection model into a special constrained LQ optimal control model and develop the optimal portfol... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Masiala Mavungu,Evan Hurwitz,Tshilidzi Marwala    
AbstractOrientation: This article is related to Financial Risk Management, Investment Management and Portfolio Optimisation.Research purpose: The aim is to compute optimal investment allocations from one period to another.Motivation of the study: Financi... ver más
Revista: Journal of Economic and Financial Sciences (JEF)    Formato: Electrónico

 
en línea
Camila Cardoso Pereira,Regis A. Ely,Cláudio Djissey Shikida     Pág. 611 - 634
We test the presence of the dividend month premium in the Brazilian stock market. This premium consists in the existence of abnormal returns when companies are predicted to issue a dividend. We build portfolios based on predicted dividends and estimate a... ver más
Revista: Revista Brasileira de Finanças    Formato: Electrónico

 
en línea
Leonardo Lima Gomes,Luiz Eduardo Brandão,Antonio Carlos Figueiredo Pinto     Pág. 45 - 67
The Brazilian electric power industry has been undergoing significant structural changes, including the creation of a free market for electricity. To obtain above average margins, some firms attempt to increase profits by entering into uncovered trading ... ver más
Revista: Revista Brasileira de Finanças    Formato: Electrónico

 
en línea
Bruno Ribeiro Castro,Andrea Maria Accioly Fonseca Minardi     Pág. 143 - 161
We intend to investigate whether active portfolio managers have higher security selection ability than passive managers in Brazil. We built net monthly historical returns and estimated gross historical returns series from January 1996 till October 2006 o... ver más
Revista: Revista Brasileira de Finanças    Formato: Electrónico

 
en línea
Jules Clément Mba, Kofi Agyarko Ababio and Samuel Kwaku Agyei    
This paper investigates the robustness of the conventional mean-variance (MV) optimization model by making two adjustments within the MV formulation. First, the portfolio selection based on a behavioral decision-making theory that encapsulates the MV sta... ver más
Revista: International Journal of Financial Studies    Formato: Electrónico

 
en línea
Tihana ?krinjaric and Bo?ko ?ego    
Due to the development of financial markets, products, financial and mathematical models, portfolio selection today represents a comprehensive set of activities. Investors take into consideration many different factors, such as the market factors, return... ver más
Revista: International Journal of Financial Studies    Formato: Electrónico

 
en línea
Tihana ?krinjaric and Bo?ko ?ego    
Revista: International Journal of Financial Studies    Formato: Electrónico

 
en línea
Yingxu Tian and Zhongyang Sun    
Revista: Journal of Risk and Financial Management    Formato: Electrónico

 
en línea
Chanchal Kumar and Mohammad Najmud Doja    
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Revista: Computers    Formato: Electrónico

 
en línea
KHURAM SHAHZAD, YASIR BIN TARIQ     Pág. Page:58 - 66Abstract

 
en línea
Nadisah Zakaria,Fariza Hashim     Pág. 453 - 459
Graham?s stock selection criteria enable investors to be more cautious in selecting their portfolios in order to generate abnormal return. Graham?s model was widely examined in various developed market where the stock markets and companies are more matur... ver más
Revista: International Journal of Economics and Financial Issues    Formato: Electrónico

 
en línea
Gabriel Matos Pereira,Leonardo Riegel Sant'Anna,Tiago Pascoal Filomena,João Luiz Becker     Pág. 288 - 324
Liquidity is an important issue in portfolio management. In 2012, the Brazilian market regulatory agency (CVM) started to require all banks and brokerages to maintain liquidity control of their portfolios. This study presents a liquidity constraint which... ver más
Revista: Revista Brasileira de Finanças    Formato: Electrónico

 
en línea
Marcelo C. Medeiros,Artur M. Passos,Gabriel F. R. Vasconcelos     Pág. 257 - 284
In this paper we exploit the parametric portfolio optimization in the Brazilian market. Our data consists of monthly returns of 306 Brazilian stocks in the period between 2001 and 2013. We tested the model both in and out of sample and compared the resul... ver más
Revista: Revista Brasileira de Finanças    Formato: Electrónico

 
en línea
João Frois Caldeira,Gulherme Valle Moura     Pág. 49 - 80
Statistical arbitrage strategies, such as pairs trading and its generalizations, rely on the construction of mean- reverting spreads with a certain degree of predictability. This paper applies cointegration tests to identify stocks to be used in pairs tr... ver más
Revista: Revista Brasileira de Finanças    Formato: Electrónico

 
en línea
Oswaldo Luiz do Valle Costa,Rodrigo de Barros Nabholz     Pág. pp. 101 - 121
In a recent paper, Li and Ng (2000) considered the multi-period mean variance optimization problem, with investing horizon T, for the case in which only the final variance Var(V(T)) or expected value of the portfolio E(V(T)) are considered in the optimiz... ver más
Revista: Revista Brasileira de Finanças    Formato: Electrónico

 
en línea
K. J. Carter,J. F. Affleck-Graves,A. H. Money    
AbstractThe application of the standard techniques of portfolio selection on the 34 sectors comprising the JSE All Share index is undertaken for the three equal non-overlapping five-year periods between February 1965 and January 1980. Efficient portfolio... ver más
Revista: South African Journal of Business Management    Formato: Electrónico

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