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<p>This study examines how risk aversion, financial literacy and overconfidence are associated with individuals' investment decisions, by collecting the data from 37 empirical studies, published between 2014 and 2025, with a combined sample size of 18,835 respondents. The data were analysed, using meta-analysis and meta-analytic structural equation modelling (Meta-SEM), with additional inputs from Prospect Theory, Human Capital Theory and Behavioural Finance Theory. Meta-analysis results revealed that financial literacy did have strong and significant positive association with investment decisions whereas risk aversion and overconfidence reported small and positive but not statistically significant association with investment decisions. The Meta-SEM confirmed that financial literacy played a dominant structural role in shaping investment decisions while risk aversion and overconfidence exerted statistically significant but smaller positive effects. These findings indicated the need to strengthen financial literacy through targeted policy and educational initiatives. This finding would help individuals to better understand financial concepts, which, in turn, could reduce behavioural biases and enable rational investment decisions. This study presents an integrated analytical framework in the field of behavioural finance, offering practical insights to educators, regulators and financial professionals and helping investors to become more informed and resilient.</p>

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The impact of behavioural determinants on investment decisions with evidence from meta analysis and meta structural equation modelling

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月12日

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  • Dhivya Bharathi Dhandapani,
  • Chinnadurai Kathiravan

摘要

This study examines how risk aversion, financial literacy and overconfidence are associated with individuals' investment decisions, by collecting the data from 37 empirical studies, published between 2014 and 2025, with a combined sample size of 18,835 respondents. The data were analysed, using meta-analysis and meta-analytic structural equation modelling (Meta-SEM), with additional inputs from Prospect Theory, Human Capital Theory and Behavioural Finance Theory. Meta-analysis results revealed that financial literacy did have strong and significant positive association with investment decisions whereas risk aversion and overconfidence reported small and positive but not statistically significant association with investment decisions. The Meta-SEM confirmed that financial literacy played a dominant structural role in shaping investment decisions while risk aversion and overconfidence exerted statistically significant but smaller positive effects. These findings indicated the need to strengthen financial literacy through targeted policy and educational initiatives. This finding would help individuals to better understand financial concepts, which, in turn, could reduce behavioural biases and enable rational investment decisions. This study presents an integrated analytical framework in the field of behavioural finance, offering practical insights to educators, regulators and financial professionals and helping investors to become more informed and resilient.