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All Journal JIMEK Servitia: Journal of Community Service and Engagement
Marlinda Ina
Universitas 17 Agustus 1945 Surabaya
Humanities Economics, Econometrics & Finance Education Social Sciences Transportation Other

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Pengaruh Diversifikasi Portofolio, Market Timing, dan Fund Manager Skill Tehadap Kinerja Reksa Dana Saham di Indonesia Ardiyansyah Prawirautama Ali; Marlinda Ina; Maria Yovita R. Pandin
Jurnal Ilmu Manajemen, Ekonomi dan Kewirausahaan Vol. 6 No. 1 (2026): Maret: Jurnal Ilmu Manajemen, Ekonomi dan Kewirausahaan (JIMEK)
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jimek.v6i1.9807

Abstract

The investigation explores how spreading investments across assets, predicting market shifts, and the talents of fund leaders shape the results of stock-based mutual funds in Indonesia. Amid a fast-paced and rivalrous financial market scene, the achievements of these funds hinge on the approaches used by their investment overseers. Spreading out holdings across different shares lowers potential losses, whereas spotting the best market entry and exit points showcases a leader's savvy. Meanwhile, the proficiency of fund managers highlights their insight, background, and thoughtful moves to boost portfolio gains. Employing a numerical strategy, the work draws on secondary info from official performance summaries of OJK-approved stock mutual funds during a set timeframe. Fund outcomes are mainly judged using Jensen’s Alpha, and insights are drawn through multi-variable linear modeling to see the weight of each factor on performance.Findings show that asset spreading and market prediction skills have a beneficial but minor role in fund outcomes. However, manager abilities deliver a strong and meaningful boost, suggesting that the wisdom and track record of investment heads are central to stock mutual fund triumphs in Indonesia. This points to the value of expert managers for solid portfolio handling, plus the push to refine spreading and timing tactics that better match evolving market trends.    
Pemanfaatan Mesin Pencacah Sampah Organik sebagai Upaya Pengolahan Sampah Berbasis Masyarakat Shinta Naafia Permatasari; Prananda Aditia Ramadan; Marlinda Ina; Tiara Eka Agusrina; Kautzar Angger Sudarsono; Thesna Widya Fandhyta
Journal of Community Service and Engagement Vol 1 No 2 (2026): February: Servitia: Journal of Community Service and Engagement
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/sq6d2v10

Abstract

This study aims to analyze the utilization of an organic waste shredding machine as an effort to support community-based waste management. The research employed a descriptive qualitative approach using observation, interviews, and documentation to examine the implementation and impact of the machine on local waste processing practices. The results indicate that the use of the shredding machine effectively reduces the volume of organic waste and facilitates faster processing into compost materials. Community involvement in operating and maintaining the machine reflects increased awareness and responsibility toward environmentally friendly waste management. However, several challenges were identified, including limited technical knowledge and inconsistent machine usage. Despite these constraints, the utilization of the organic waste shredding machine has contributed positively to environmental cleanliness and encouraged community participation in sustainable waste management. Therefore, this program demonstrates significant potential to strengthen community-based waste processing systems when supported by continuous guidance and proper management.  
Co-Authors Ardiyansyah Prawirautama Ali Kautzar Angger Sudarsono Maria Yovita R. Pandin Prananda Aditia Ramadan Shinta Naafia Permatasari Thesna Widya Fandhyta Tiara Eka Agusrina