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The Social Genesis of Overconfidence: How Social Capital and Risk Tolerance Shape Investor Decisions

Author

Listed:
  • Sze-Hsun Chang
  • Feng-Chen Lin
  • Chih-Kang Lien
  • Meng-Shu Wu

Abstract

This study investigates whether social capital functions as a key antecedent of investor overconfidence and evaluates the mediating role of risk tolerance within this relationship. Using survey data from 425 investors and structural equation modeling, the analysis shows that social capital is positively associated with overconfidence, that risk tolerance also exhibits a positive relationship with overconfidence, and that risk tolerance partially mediates the influence of social capital on overconfidence. These findings highlight how investors’ relational resources shape risk attitudes and cognitive biases, extending behavioral finance research by offering a socially embedded explanation of overconfidence formation. The results further provide practical implications for financial advisors, platform designers, and policymakers seeking to mitigate socially driven overconfidence and excessive risk-taking through targeted education and intervention strategies. JEL classification numbers: D91, G41.

Suggested Citation

  • Sze-Hsun Chang & Feng-Chen Lin & Chih-Kang Lien & Meng-Shu Wu, 2026. "The Social Genesis of Overconfidence: How Social Capital and Risk Tolerance Shape Investor Decisions," Advances in Management and Applied Economics, SCIENPRESS Ltd, vol. 16(5), pages 1-4.
    • Handle: RePEc:spt:admaec:v:16:y:2026:i:5:f:16_5_4
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    JEL classification:

    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • G41 - Financial Economics - - Behavioral Finance - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making in Financial Markets

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