Student investors: unpacking the behavioral biases in their stock decisions

Authors

  • Yolla Ervira Politeknik Negeri Batam, Batam, Indonesia
  • Alfonsa Dian Sumarna Politeknik Negeri Batam, Batam, Indonesia

DOI:

https://doi.org/10.30871/jaba.10771

Keywords:

Herding Behavior, Overconfidence, Risk Perception, Risk Tolerance, Loss Aversion

Abstract

This study examines the psychological underpinnings of stock investment decisions among students at Batam State Polytechnic in the context of Indonesia's rapidly expanding capital market. We investigated the influence of herding behavior, overconfidence, risk perception, risk tolerance, and loss aversion on their investment choices. Using a quantitative approach, we administered a 38-item questionnaire to 139 student investors selected through purposive sampling. PLS-SEM analysis revealed that overconfidence and risk perception significantly affect stock investment decisions. Interestingly, herding behavior, risk tolerance, and loss aversion did not show a substantial effect in this context. These findings provide valuable insights into the specific behavioral biases affecting emerging investors in the Indonesian market.

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Published

2026-09-30

How to Cite

Ervira, Y., & Sumarna, A. D. (2026). Student investors: unpacking the behavioral biases in their stock decisions. Journal of Applied Business Administration, 10(2), 287–304. https://doi.org/10.30871/jaba.10771