Daftar Isi:
  • This study aims to examine the effect of Overconfidence, Illusion of Control, Loss Aversion Bias, and Regret Aversion Bias on Investment Decision Making. The sample consisted of 192 respondents who had the characteristics of respondents who had a minimum income of Rp. 4.000.000 per month, productive age between 21 – 56 years old, and domiciled in Surabaya and Sidoarjo. Sampling is done by multi-stage sampling. Analysis using Structural Equation Modeling in PLS (Partial Least Square). The result of this study indicate that Overconfidence has a significant positive effect on Investment Decision Making, Illusion of Control has a significant positive effect on Investment Decision Making, Loss Aversion Bias has significant negative effect on Investment Decision Making, while Regret Aversion Bias has no effect on Investment Decision Making. Key word : Investment Decision Making, Overconfidence, Illusion of Control, Loss Aversion Bias, Regret Aversion Bias.