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Candy
Universitas Internasional Batam, Indonesia
Economics, Econometrics & Finance

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The Influence of Availability Bias, Herding Bias, Disposition Effect, and Overconfidence on Investment Decisions through Risk Perception Yandi Suprapto; Fathir Suria Marika Putri; Candy
JURNAL ECONOMINA Vol. 5 No. 9 (2026): JURNAL ECONOMINA, September 2026
Publisher : LPPM Sekolah Tinggi Ilmu Ekonomi 45 Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/economina.v5i9.4238

Abstract

The purpose of this study is to investigate how generation X, Y, and Z investors in Batam City are related to availability bias , disposition effect , herding bias , overconfidence bias , risk perception , and investment decisions . After 410 people were selected through purposive sampling technique , the data were processed using PLS-SEM method. The results show that overconfidence , herding bias , disposition effect, and risk perception have a positive impact on investment decisions . In contrast, availability bias has no direct impact. In addition, the results of the study show that risk perception serves as a link between availability bias , herding bias , and overconfidence . bias with investment decision , however, the disposition effect with investment decision is not significant.
Co-Authors Fathir Suria Marika Putri Yandi Suprapto