Optimizing Green Investment Portfolios Using the Markowitz Model for Sustainable Financial and Social Returns

2022-05-16
Published
24-41
Pages
OPEN
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MH
Muhammad M. Hakim
Universitas Dr. Soetomo, Surabaya
NN
Nurhayati Nurhayati
STIE GICI Business School, Indonesia
JS
Joko Setiawan
Universitas Dr Soetomo, Surabaya
Abstract

Purpose: This research aims to create an optimal portfolio that is not only profitable from a financial perspective, but also considers the concept of natural and social environmental sustainability (green investment).

Research Methodology: The chosen research approach was quantitative, with an analysis based on the Markowitz Model. The Markowitz Model was used to construct a stock portfolio from stocks included in the SRI-Kehati index during the period of 2020–2023. The collected data were then analyzed using the Solver Add-ins in Microsoft Excel.

Results: The study findings indicated that out of the 12 stocks tested, four stocks were ideal to include in the optimal portfolio, consisting of BBCA (with a weight of 37.59%), KLBF (with a weight of 30.44%), SIDO (with a weight of 21.67%), and TLKM (with a weight of 10.30%).

Conclusions: Sustainable or green investment is increasingly important, and the Markowitz Model can be applied to optimize portfolios of sustainable stocks, as shown in this study where four stocks (BBCA, KLBF, SIDO, and TLKM) formed an optimal portfolio with an expected return of 0.00522211 and a risk of 0.0391.

Limitations: This study relies on historical data and monthly closing stock prices, which may not accurately predict future returns. Future research could incorporate daily prices, macroeconomic factors, market sentiment, and external variables such as global news to improve portfolio optimization and accuracy.

Contributions: This study integrates the Markowitz model with green investment strategies, providing a practical approach to constructing an optimal portfolio that considers both financial returns and ESG criteria.

Green Investment Markowitz Model Optimal Portofolio SRI-Kehati Index
How to Cite
Hakim, M. M. ., Nurhayati, N., & Setiawan , J. (2022). Optimizing Green Investment Portfolios Using the Markowitz Model for Sustainable Financial and Social Returns. Jurnal Bisnis, Ekonomi, Manajemen, Dan Kewirausahaan , 2(1), 24-41. https://doi.org/10.52909/jbemk.v4i2.184
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How to Cite

Hakim, M. M. ., Nurhayati, N., & Setiawan , J. (2022). Optimizing Green Investment Portfolios Using the Markowitz Model for Sustainable Financial and Social Returns. Jurnal Bisnis, Ekonomi, Manajemen, Dan Kewirausahaan , 2(1), 24-41. https://doi.org/10.52909/jbemk.v4i2.184
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