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All Journal JMD: Jurnal Riset Manajemen & Bisnis Dewantara
Saiful Aminudin Al Kusuma Putra
Unknown Affiliation
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance

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ANALISIS PERILAKU HERDING DAN OVERCONFIDENCE DALAM PENGAMBILAN KEPUTUSAN INVESTASI GENERASI Z KABUPATEN JOMBANG DI PASAR SAHAM SYARIAH INDONESIA Beni Sucipto; Saiful Aminudin Al Kusuma Putra; Nurianah; Irea Arrahima
JMD : Jurnal Riset Manajemen & Bisnis Dewantara Vol. 9 No. 1 (2026): Januari (2026) - Juni (2026)
Publisher : STIE PGRI Dewantara Jombang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26533/jmd.v9i1.1547

Abstract

This study examines the effects of herding behavior and overconfidence on investment decision-making among Generation Z in Jombang Regency in the Islamic (Sharia-compliant) stock market. The study is motivated by the growing interest in investing among young people, supported by financial technology, yet accompanied by vulnerability to behavioral biases that may affect the rationality of decisions. This research adopts a quantitative approach using a survey of 150 Generation Z investors in Jombang who actively invest in Sharia-compliant stocks. The data were analyzed using multiple linear regression. The data analysis technique employed was PLS-SEM, and the analytical tool used was SmartPLS version 4. The results show that herding has no significant effect on investment decision-making, whereas overconfidence has a significant effect and is the most dominant factor. This indicates that Generation Z in Jombang does not tend to directly follow others’ behavior or external recommendations when making investment decisions. Instead, they are more influenced by a high level of self-confidence in their own ability to analyze market information. These findings suggest that Generation Z’s investment decisions in Jombang are highly rational. This study recommends strengthening Islamic financial literacy education to develop smarter and more mature investors.
PERAN BIAS KOGNITIF DALAM MENJELASKAN EFEKTIVITAS MANAJEMEN KEUANGAN PELAKU UMKM KULINER PASAR RAMADHAN DI DESA TAMBAKREJO Beni Sucipto; Saiful Aminudin Al Kusuma Putra
JMD : Jurnal Riset Manajemen & Bisnis Dewantara Vol. 7 No. 1 (2024): Januari (2024) - Juni (2024)
Publisher : STIE PGRI Dewantara Jombang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26533/jmd.v7i1.1554

Abstract

This study aims to analyze the role of cognitive bias in explaining the effectiveness of financial management among MSME actors in Tambakrejo Village, Jombang. A quantitative approach with an explanatory research design was employed using a survey method. Data were collected through a 5-point Likert-scale questionnaire measuring cognitive biases (e.g., overconfidence, anchoring, confirmation bias, availability bias, and loss aversion) and financial management effectiveness (financial planning, recordkeeping, budgeting, financial control, and financial evaluation). The sample consisted of 60 culinary MSME operators participating in the Ramadan Market in Tambakrejo, Jombang, selected using total sampling based on predetermined criteria. Data analysis was conducted using SPSS version 24, including descriptive statistics, instrument quality testing (validity and reliability/Cronbach’s alpha), classical assumption tests, and hypothesis testing using linear regression (t-test and the coefficient of determination, ) at a significance level of 0.05. The findings are expected to provide empirical evidence on how cognitive biases influence financial decision-making and, in turn, affect the effectiveness of financial management among culinary MSMEs, thereby informing more targeted financial literacy and business mentoring programs for MSME actors in the study area.
Co-Authors Beni Sucipto Irea Arrahima Nurianah