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The Effect of Portfolio Diversification, Systematic Risk, and Stock Liquidity on Individual Investor's Portfolio Performance Fadhilah, Fauziyah; Natasha, Vivi; Hawa, Fariza Putri; Putri, Hasna Khalisha; Mahesa; Pandin, Maria Yovita R
Best Journal of Administration and Management Vol 4 No 2 (2025): Best Journal of Administration and Management
Publisher : International Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56403/bejam.v4i2.381

Abstract

This study aims to analyze the influence of portfolio diversification, systematic risk, and stock liquidity on the portfolio performance of individual investors. The research approach used is quantitative with primary data obtained through the distribution of questionnaires to individual investors active in the Indonesian capital market. Sampling was carried out using the purposive sampling method with the criteria of respondents who have at least six months of investment experience. The collected data was analyzed using SPSS through validity, reliability, classical assumption tests, and multiple linear regression analysis. The results of the study show that simultaneously the variables of portfolio diversification, systematic risk, and stock liquidity have a significant effect on the portfolio performance of individual investors. Partially, systematic risk has a positive and significant effect on portfolio performance, while portfolio diversification and stock liquidity do not show a significant effect. These findings indicate that the characteristics of the Indonesian capital market, which are still sensitive to external factors, cause systematic risk to become the dominant factor in determining portfolio performance. This research is expected to contribute to individual investors in understanding the importance of market risk management and the implementation of effective diversification strategies.
The Influence of Stock Liquidity, Capital Structure, and Dividend Policy on Company Value in Manufacturing Companies​​​​​ Nabiilah, Daariin Dewi; Sholikah, Nur Imroatus; Fasya, Adinda Nibros Zahira; Pandin, Maria Yovita R
Lead Journal of Economy and Administration Vol 4 No 2 (2025): Lead Journal of Economy and Administration (LEJEA)
Publisher : International Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56403/lejea.v4i2.380

Abstract

The value of manufacturing companies listed on the Indonesia Stock Exchange was examined in this study in relation to capital structure, dividend policy, and stock liquidity.  Price to Book Value (PBV), a quantitative technique based on secondary data from 2024, was employed to calculate the company's worth, and analyzed through multiple linear regression using SPSS 27. This study showed that partially, The company's worth was not considerably impacted by its capital structure; only stock liquidity and dividend policy did. Meanwhile , simultaneous test results showed that all three variables simultaneously influenced company value. The model's capacity to describe different firm values was demonstrated by the coefficient of determination was relatively low, so that the majority of changes in company value were caused by other elements outside the study, such as profitability, company size, and market conditions. This finding suggests that the internal variables studied are not yet the primary drivers in assessing the worth of Indonesian manufacturing firms.