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Does board diversity mitigate risk? The effect of homophily and social ties on risk-taking in financial institutions

Autor/es Anáhuac
Bernardo Batiz-Lazo
Año de publicación
2024
Journal o Editorial
Research in International Business and Finance

Abstract
Research Question/Issue
This study investigates whether greater board diversity and looser social network ties have an impact on board independence and risk-taking in US financial institutions from 2010 to 2022.The econometric strategy involved structural equation models, where risk as a dependent variable was measured by two latent variables and a total of five measures of risk. Several aspects of board diversity were utilized including gender, social, experience and educational backgrounds.
Research Findings/Insights
The findings suggested that diversity in nationality had a significant positive effect, while age and gender diversity had a minor effect on mitigating risk. Two measures of educational diversity had mixed results while suggesting that financial education is associated with greater risk. Also, social networks had a significant effect on risk-taking, especially on market risk.
Theoretical/Academic Implications
The study highlights the importance of maintaining a sensible level of board diversity across all aspects to avoid issues of cohesion and poor communication. This implication arises from the conclusion that too diverse a board might suffer from the lack of cohesion and communication, while a board with very low diversity will not be able to benefit from diverse backgrounds and expertise.
Practitioner/Policy Implications
Results from this study recommend incorporating social networking requirements in defining the independence of directors.