An Effective Investments System in the Optimal Portfolio Selection Intelligence (OPSI)

Nikolaos Loukeris (), Iordanis Eleftheriadis () and Efstratios Livanis ()
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Nikolaos Loukeris: University of West Attica, Department of Business Administration
Iordanis Eleftheriadis: University of Macedonia, Department of Business Administration
Efstratios Livanis: University of Macedonia, Department of Accounting and Finance

Computational Economics, 2025, vol. 66, issue 6, No 5, 4589-4620

Abstract: Abstract The optimal portfolio selection problem is investigated in fundamentals of higher order moments. The returns behavior frequently skewed and in excess kurtosis, along with investors’ preferences set new grounds of discussion. Higher order moments, than the kurtosis, will offer further information on investors. A more complex problem arises, of higher flexibility, non-convexity, in unlimited scale fitted to portfolio optimization. The principal problem of Free Will is thus answered, with emphasis on investors. We discuss the OPSI model introducing three hybrid neuro-genetic models of numerous topologies and one regression. Firstly the Radial Basis Function Networks-RBF are in 40 hybrid forms and 10 RBF Neural Nets whilst the results are compared to 50 Time-Lag Recurrent Network-TLRN Hybrids topologies, 10 on the MultiLayer Perceptron-MLP Neural Nets, and the Bayesian Logistic Regression-BLR, to define the most competitive methods in asset allocation and corporate evaluation. New solutions are offered under specific hybrids whilst portfolio efficiency is either evolutionary or intelligent. Introducing the parameters of financial health, we propose the advanced expected utility function filtering noise. The problem of wealth maximisation is transformed to a preferential combination on gain and loss. The TLRN hybrid networks are a very efficient and reliable model on portfolio selection. The OPSI model offers a competitive approach in efficient portfolio selection, protecting the investor from systematic exposure. In the investors Free Will problem, the answer is that Logic is dynamic linearly but adjusting to the environment overrides new challenges of superior potentials than the linear series of events. It is consistent to the maximisation of utility and investors’ welfare.

Keywords: Radial basis function networks; Time-lag recurrent networks; Multi-layer perceptrons; Portfolio optimization; Free will; Logic; Aristotle; Epicurus; Portfolio optimisation; Fractal market hypothesis; Chaos (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s10614-025-10854-y

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