On the Riskiness of Universal Banking: Evidence from Banks in the Investment Banking Business Pre‐ and Post‐GLBA

Victoria Geyfman and Timothy J. Yeager

Journal of Money, Credit and Banking, 2009, vol. 41, issue 8, 1649-1669

Abstract: We explore whether an economically significant differential exists in market‐based risk measures between universal banks and traditional banks. Using a three‐asset portfolio regression model, we find that between 1990 and 2007—a period of gradual deregulation culminating in passage of the Gramm–Leach–Bliley Act (GLBA) of 1999—an increased participation in investment banking was associated with higher total and unsystematic risks and no significant change in systematic risk. Small risk‐reduction benefits emerged in the post‐GLBA era, but such benefits were likely the result of the particular sample period rather than a fundamental change in bank structure following the GLBA. Our results cannot justify the GLBA on risk‐reduction grounds, though the Act may be defensible for other reasons.

Date: 2009
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https://doi.org/10.1111/j.1538-4616.2009.00266.x

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jmoncb:v:41:y:2009:i:8:p:1649-1669

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