Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/334283 
Erscheinungsjahr: 
2025
Quellenangabe: 
[Journal:] Business, Management and Economics Engineering (BMEE) [ISSN:] 2669-249X [Volume:] 23 [Issue:] 1 [Year:] 2025 [Pages:] 165-188
Verlag: 
Vilnius Gediminas Technical University, Vilnius
Zusammenfassung: 
Purpose - this paper adopts the mean-variance approach in optimizing portfolios within the Colombian capital market, a setting full of complications such as lack of liquidity and market concentration. It delivers actionable messages for emerging market stakeholders and formulates guidance aimed at enhancing risk-adjusted returns and informing portfolio management in markets with similar structural and economic conditions. Research methodology - a bi-objective mean-variance model has been used for analyzing the stock prices of 17 stocks on a weekly basis from 2009-2024. Annual rebalancing has made the portfolio responsive to changes in the market, considering the Sharpe ratio as the benchmark to assess risk-adjusted performance. Findings - optimized portfolios in Colombia outperformed traditional investment funds by realizing better returns while having a balanced risk. Surely, this shows that the model is able to be flexible and react to changes in fluctuation, capture sectoral opportunities, and perform amazingly in a dynamic market. Research limitations - focusing on adaptability and real-time rebalancing in this work can establish a basis on which future research will operate, refining optimization strategies that incorporate advanced risk measures such as CVaR. Practical implications - the results present an effective and flexible tool for investors to optimize their portfolios in respect of risk diversification and sustainable returns, considering liquidity constraints and market turmoil. Originality/Value - this research connects theory and practice and demonstrates the flexibility of the mean-variance model in emerging economies. It emphasizes novelty in portfolio optimization solutions and further development of strategies in sophisticated financial conditions.
Schlagwörter: 
portfolio selection
diversification
efficient frontier
mean-variance
Colombia stock market
JEL: 
G1
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