Results 11 to 20 of about 5,719,679 (161)

Historical development of portfolio theory [PDF]

open access: yesTehnika, 2021
Portfolio theory occupies an essential place in modern finance, while portfolio management grounded on its achievements has been recognized as one of the main tasks of financial experts worldwide.
Leković Miljan M.
doaj   +1 more source

Behavioral portfolio theory and behavioral asset pricing model as an alternative to standard finance concepts [PDF]

open access: yesEconomic Horizons, 2019
The growing gap between standard finance theory and practice has made way for the emergence of new theories and the development of new asset-pricing models.
Miljan Lekovic
doaj   +1 more source

A behavioural approach to financial portfolio selection problem: an empirical study using heuristics [PDF]

open access: yes, 2014
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel UniversityThe behaviourally based portfolio selection problem with investor's loss aversion and risk aversion biases in portfolio choice under uncertainty are studied.
Grishina, Nina
core   +7 more sources

Multi-period uncertain portfolio selection model with prospect utility function.

open access: yesPLoS ONE, 2022
In this paper, we discuss a multi-period portfolio optimization problem based on uncertainty theory and prospect theory. We propose an uncertain multi-period portfolio selection model, in which the return utility and risk of investment are measured by ...
Gaohuizi Guo, Yao Xiao, Cuiyou Yao
doaj   +3 more sources

Investment risk management by applying contemporary modern portfolio theory [PDF]

open access: yesMegatrend Revija, 2015
Investment risk is the principal threat to the assets side of the balance sheets of financial institutions. It is evident that investors who concentrate their wealth on one type of securities can rarely be found.
Jakšić Milena, Leković Miljan
doaj   +1 more source

Modern Portfolio Theory and its Applications in Information Retrieval [PDF]

open access: yesIranian Journal of Information Processing & Management
Introduction and purpose: The portfolio theory is one of the theories in the financial field that was presented by Harry Markowitz. This theory states that investors should diversify their stock portfolio to reduce investment risk. This research has been
Mehdi Rahmani
doaj   +1 more source

Asset Allocation with Combined Models Based on Game-Theory Approach and Markov Chain Models

open access: yesEkoist Journal of Econometrics and Statistics, 2023
The measurement of expected returns has a major impact on portfolio performance. While there are several methods used for estimating expected returns in existing studies, the mean-variance model most commonly used in portfolio theory utilizes the method ...
Salih Çam
doaj   +1 more source

Fuzzy portfolio optimization problem under uncertainty conditions with application of computational intelligence methods

open access: yesSistemnì Doslìdženâ ta Informacìjnì Tehnologìï, 2020
The problem of constructing an optimal securities portfolio under uncertainty is considered along with the direct and dual problems of fuzzy portfolio optimization. The modified fuzzy portfolio optimization problem is also suggested under a constraint on
Helen Zaychenko, Yuriy Zaychenko
doaj   +1 more source

Credibilistic variance and skewness of trapezoidal fuzzy variable and mean–variance–skewness model for portfolio selection

open access: yesResults in Applied Mathematics, 2021
The fuzzy set theory is widely used to describe the uncertainty of financial markets in modern portfolio selection problems. In this study, the credibility theory (a popular branch of the fuzzy set theory) is applied to extend Markowitz’s mean–variance ...
Jagdish Kumar Pahade, Manoj Jha
doaj   +1 more source

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